QUO

6 definitions found across Law Mind sources

QUOAuthored
The Law Mind • 954 words
Definition
Quo is a Latin preposition and adverb meaning "by which," "whereby," "to which place," or "in what manner," depending on context. In legal usage, quo functions almost exclusively as a prefix or structural component in Latin phrases that survived the transition from law-Latin into modern English legal terminology. It does not stand alone as an independent legal term but anchors a cluster of foundational legal concepts. The most important compounds include: 1. Quo warranto — A common law writ, and in modern practice an action, demanding by what authority a person or corporation exercises a public office, franchise, or privilege. The central question the writ poses is literally "by what warrant" the respondent acts. 2. Quo animo — With what intent or mind; the mental state accompanying an act. Used in pleading and evidence to identify the purpose behind conduct. 3. Quo jure — By what right; the inquiry into the legal basis for a claimed entitlement. 4. Status quo — The existing state of affairs at a given moment, especially the conditions in place before a disputed act or at the time litigation commences. Courts frequently preserve the status quo through injunctive relief pending final judgment. 5. Pro quo — As in quid pro quo, the thing given or received in exchange; the consideration in a bargained-for exchange. "Pro quo" is rarely used in isolation. These phrases are treated as distinct terms in most legal reference works, but understanding quo as their shared root helps researchers recognize the unifying logic: each phrase frames a legal inquiry as a question of source, authority, intent, or exchange.
Common Language
Modern common usage (Wiktionary): The entry for "quo" in Wiktionary redirects attention to "quoth" (an archaic verb meaning "said"), reflecting that "quo" has no independent life in ordinary modern English. Historical common usage (Webster's 1913): Webster's 1913 does not treat "quo" as an independent English word, though it appears in Webster's entries for quo warranto and status quo as borrowed Latin. The gap between common and legal meaning here is structural rather than semantic. Outside law, "quo" is essentially invisible as a standalone word. Inside law, it is pervasive — researchers encountering it in an index, digest heading, or historical pleading should recognize it as the key to a Latin phrase rather than an English term with its own definition.
Common Confusion
Researchers sometimes encounter "quo" stripped of its companion words in digest entries, margin notes, or abbreviated historical pleadings and treat it as an indexing error. It is not. Index compilers following Latin alphabetization often listed phrases under their most distinctive word, which could be quo or could be warranto, animo, or jure depending on the system. Check both entry points when searching historical digests or abridgments. "Quo warranto" is also frequently confused with "mandamus" by modern researchers, since both are prerogative writs used to supervise the exercise of public authority. The distinction is directional: quo warranto challenges authority already being exercised; mandamus compels authority to be exercised. They are related remedies but answer different questions.
Why It Matters in Research
Researchers working in the Law Mind corpus will encounter "quo" primarily in three contexts: (1) as a standalone alphabetical entry that cross-references longer phrases, (2) embedded in case law headnotes using abbreviated Latin, and (3) in historical pleading forms that preserve law-Latin long after it had been abandoned in ordinary practice. The historical source material for this entry illustrates the indexing challenge directly: Rapalje & Lawrence's page 1056 entry in the vicinity of "quo" covers "quillet" (a quibble), and Burrill's page 373–374 entry on the same shelf range covers quit-claim. Neither source treats "quo" as a standalone entry requiring definition, because historical legal dictionaries assumed the reader would look up the full Latin phrase. Anderson's, characteristically, redirects entirely — "See QUI; WARRANTUM" — acknowledging that the research value lies downstream. This means that when a corpus search returns "quo" as a hit, the relevant content is almost certainly in an adjacent or linked entry. Do not stop at the stub; follow the cross-reference. Jurisdictional variation is significant for quo warranto specifically: in American practice, the common law writ was largely replaced by statutory proceedings in the nineteenth century, and the current Federal Rules of Civil Procedure abolished the federal writ by name, subsuming its function into civil actions. State quo warranto practice varies considerably. Researchers dating a procedural dispute must identify whether they are in a writ-era or statutory-era jurisdiction before the historical sources become usable.
Historical Dictionary Support
The three source dictionaries reviewed for this entry share a common approach: none defines "quo" as an independent term. Rapalje & Lawrence and Burrill both place adjacent entries on neighboring pages without addressing quo directly. Anderson's provides the most candid treatment, redirecting to QUI and WARRANTUM — effectively acknowledging that the term's legal significance is entirely compositional. This consensus is itself instructive. Nineteenth-century legal lexicographers understood that practitioners would encounter "quo" only as part of a phrase and would know to look up the full phrase. Modern corpus researchers lack that assumption and may be stopped by an unhelpful stub. Historical dictionaries miss the navigational problem entirely because they wrote for a different reader. Burrill is the strongest of the three sources for Latin phrase work generally; his entries on quo warranto and related writs are more developed than those in Rapalje & Lawrence, though both fall short of Bouvier's treatment in comprehensiveness.
Encyclopedia Cross-Reference
See Law Mind Encyclopedia: Quo Warranto; Prerogative Writs; Status Quo and Injunctive Relief.
Related Terms
Quo warranto; Quo animo; Quo jure; Status quo; Quid pro quo; Mandamus; Certiorari; Prerogative writs; Writ; Latin maxims
QUOmain
Rapalje & Lawrence • 1883
(1056) QUILLET.-A quibble.
QUOcrossref
Anderson's Dictionary of Law • 1890
See QUI; WARRANTUM.
QUOmain
Burrill's Law Dictionary • 1870
(373) paramount titles. Of this class are all deeds given by public officers, such as administrators, sheriffs, &c. who covenant only for the regularity of their own proceedings. 2 Hilliard's Real Prop. 302. Το QUIT-CLAIM. [L. Lat. quietè clamare, quietum clamare.] In conveyancing. To release or relinquish a claim; to execute a deed of quit-claim. See Quitclaim. (374) . efficitur. What otherwise is good and action of trespass, in which the matter just, if it be sought by force and fraud, complained of was required to be posibecomes bad and unjust. 3 Co. 78 a, Fermor's case. "The common law doth so abhor fraud and covin, that all acts, as well judicial as others, and which of themselves are just and lawful, yet being mixed with fraud and deceit, are, in judgment of law, wrongful and unlawful." Id. ibid. See 1 Story's Eq. Jur. § 239. Quod alias non fuit licitum, necessitas licitum facit. What otherwise was not lawful, necessity makes lawful. Fleta, lib. 5, c. 23, § 14. Quod approbo non reprobo. What I approve, I do not reject; I cannot approve and reject (Scotticè, approbate and reprobate) at the same time; I cannot take the benefit of an instrument, and at the same time repudiate it. Broom's Max. [558.] See Approbate and reprobate. Quod constat clare non debet verificari. What appears clearly ought not to be verified, [averred, i. e. proved.] Hardr. 81, arg. 10 Mod. 150. Quod constat curiæ, opere testium non indiget. That which appears to the court, needs not the aid of witnesses. 2 Inst. 662. Quod contra legem fit, pro infecto habetur. That which is done against law, is regarded as not done at all. 4 Co. 31 a, French's case. tively averred without recital; and the rule is still the same in regard to the English "Whereas." Steph. Pl. 388. 16 Mees. & W. 36. Quod cum, however, was sometimes held to amount to an affirmative allegation. Plowd. 128. (375) occurrence in the old reports, denoting that What necessity compels, it justifies. 1 an argument or point made by a counsel Hale's P. C. 54. or judge, was acquiesced in, approved or allowed by the court. Yearb. M. 1 Hen. (376) Reg. Orig. 155 b, 156. It was also a latores. What happens once or twice, remedy for the enforcement of other privileges. Id. 155. (377) Quod subintelligitur non deest. What is Whence the persons so named were usually understood is not wanting. 2 Ld. Raym. 832. Quod tacite intelligitur deesse non videtur. What is tacitly understood is not considered to be wanting. 4 Co. 22 a. Quod voluit non dixit. What he intended he did not say, or express. He may have intended so, but he did not say it. An answer sometimes made in overruling an argument that the law-maker or testator meant so and so. 1 Kent's Com. 468, note. 4 M. & S. 522, arg. If a will be uncertain or unintelligible on its face, it is as if no will had been made. Kent, C. 1 Johns. Ch. R. 235.
quoverb
Wiktionary (English) • 2026
Wiktionary contributorsCC BY-SA 4.0 • via Kaikki
Extracted and formatted for display by Law Mind. Source link opens the current Wiktionary page and its contributor history; it is not a frozen copy of this extract.
quoth
quonoun
Wiktionary (English) • 2026
Wiktionary contributorsCC BY-SA 4.0 • via Kaikki
Extracted and formatted for display by Law Mind. Source link opens the current Wiktionary page and its contributor history; it is not a frozen copy of this extract.
Paired with quid, in reference to the phrase quid pro quo (“this for that”): something given in exchange for something else.

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