Definition
A Latin phrase meaning "while single and chaste." Historically used in legal instruments — most commonly conveyances, annuities, and settlement agreements — to qualify a grant or provision made to a woman on the condition that she remain unmarried and of chaste conduct. Once a woman married or was found to have violated the chastity condition, the grant or annuity would cease automatically, without need for further legal action. The phrase functioned as a built-in defeasance clause, terminating the interest by operation of law upon the occurrence of the specified condition.
Common Language
This is pure Latin legal jargon with no meaningful counterpart in common English usage. The individual words (dum: while; sola: alone/single; et: and; casta: chaste) carry plain Latin meanings, but the phrase operated as a term of art within property and settlement law. No common language section applies.
Common Confusion
Dum sola et casta is sometimes conflated with dum sola, a shorter variant conditioning a grant only on the woman remaining unmarried, with no chastity requirement attached. The distinction matters: dum sola terminated upon marriage alone; dum sola et casta imposed the additional condition of chaste conduct, meaning the grant could be defeated even absent remarriage if the woman's conduct was successfully challenged. Researchers encountering either phrase in historical instruments must read the precise language carefully, as the legal consequences differed and litigation sometimes turned on which condition had been triggered.
Why It Matters in Research
This phrase appears almost exclusively in pre-twentieth-century documents — marriage settlements, jointure agreements, annuity deeds, wills, and conveyances — and is essentially a dead letter in modern legal drafting. Researchers working in equity, family law history, or property law history will encounter it most frequently in English and early American sources from the seventeenth through nineteenth centuries.
Several research traps exist. First, the phrase reflects the legal subordination of women under coverture: the conditions it imposed presumed that a woman's independent economic entitlement was contingent on her domestic and sexual status. Understanding it requires familiarity with the broader coverture framework, under which a married woman could not hold property in her own right. Second, the chastity condition was occasionally the subject of litigation, raising evidentiary questions about how chaste conduct was defined and proved — disputes that can appear in ecclesiastical court records as well as common law and equity reports. Third, the Bouvier citation to Burrill (Alexander Burrill's Law Dictionary, mid-nineteenth century) suggests this phrase had sufficient currency in American legal practice to warrant independent treatment in multiple reference works, meaning researchers should consult both Bouvier and Burrill for slightly varying glosses.
In corpus searching, variant spellings and Latin contractions may appear. Scribal abbreviations in manuscript sources can render casta as csta or similar contractions. The phrase may also appear in partially Anglicized form in later documents.
Historical Dictionary Support
Bouvier's Law Dictionary defines the phrase tersely as "while single and chaste," citing Burrill. This brevity is characteristic of how historical dictionaries treated Latin maxims that were self-explanatory to practitioners of the period — the Latin itself was assumed to do the definitional work. Bouvier does not elaborate on the procedural mechanics of how the condition was enforced or on what evidence sufficed to prove its breach, leaving those questions to case law and treatise authority.
The thinness of the dictionary record reflects the phrase's status as a drafting formula rather than a contested legal concept: it was a standard clause whose meaning was fixed by convention. What historical dictionaries miss is the social and legal architecture supporting the clause — the coverture doctrine, the role of equity in enforcing or modifying such conditions, and the gradual erosion of these conditions as married women's property acts reformed the common law through the latter half of the nineteenth century.
Jurisdictional Note
The phrase originates in English common law and equity practice and was transplanted into American colonial and early republic legal drafting. As American states enacted married women's property legislation beginning in the mid-nineteenth century, the practical significance of such conditions diminished substantially. The phrase has no operative modern legal application in U.S. jurisdictions.
Encyclopedia Cross-Reference
Law Mind Encyclopedia — Coverture
Law Mind Encyclopedia — Feme Sole
Law Mind Encyclopedia — Marriage Settlements and Jointure