vīcēnārĭus, a, um, adj. [id.], of or belonging to the number twenty, vicenary.I.Adj.: annorum lex me perdit quina vicenaria: metuunt credere omnes, i. e.
the law by which young people under five-and-twenty were incapable of making contracts
, Plaut. Ps. 1, 3, 69 (Ritschl, quinavicenaria): fistula,
twenty quarter-digits in diameter
, Vitr. 8, 7; Front. Aquaed. 30; Pall. Aug. 12.—II.Subst.: vīcēnārĭus, ii, m., a youth of twenty, Arn. 2, 58.