In English and Scotch law. Indefinite services formerly demandable from tenants, but prohibited by statute 20 Geo. II. c. 50, s. 21, 22. Bell's Dict. Ersk. Inst. b. 2, tit. 6, § 42. ARRIERBAN, Arriereban. Fr. [L. Lat. arrieribannum, arribannum; from arriere, behind, and ban, a proclamation.] In feudal and European law. The proclamation by which the arriere vassals, or inferior feudatories of a sovereign, were summoned to military service. See Arriere vassal. The assembling or mustering of the vassals, in obedience to such summons. According to Spelman, this word may import, (from arriere, in the sense of iterum, again,) a repeated summons, or second proclamation, (iterata evocatio, vel citatio posterior); the first being simply termed the ban; or, (from arriere, in the sense retro, behind,) a proclamation intended for those who remained behind after the first summons, (qui retro manserint post bannum.) Spelman, voc. Aribannum. It should not be confounded with herebannum, (q. v.) ARRIERE FIEF, or FEE. In feudal law. A fief or fee dependent on a superior one; an inferior fief granted by a vassal of the king, out of the fief held by him. Esprit des Lois, liv. 31, cc. 26, 32. See Subinfeudation.