(verb) : vĭrĕo, ui, ēre
* To be green or verdant (syn. viridor).
* Lit.: alia semper virent, alia, hieme nudatā, verno tempore tepefacta frondescunt,Cic. Tusc. 5, 13, 37: fronde virere novā,Verg. A. 6, 206: quo viret uva jugo,Prop. 2, 34 (3, 32), 78: quod pubes hederā virente Gaudeat,Hor. C. 1, 25, 17: summa (montis) pinu,Ov. F. 5, 382: lucus,id. M. 14, 837: agellus,Hor. A. P. 117: stagna musco,Verg. G. 4, 18: circa ilicibus virentem Alburnum,id. ib. 3, 146: pectora felle,Ov. M. 2, 777: metalla Taygeti, of the green Spartan marble, Mart. 6, 42, 11; 9, 76, 9.
* Trop., to be fresh, vigorous, or lively; to flourish, bloom: vegetum ingenium vivido pectore vigebat, virebatque integris sensibus,Liv. 6, 22, 7; cf. Hor. C. 1, 9, 17: Chia,id. ib. 4, 13, 6: dum virent genua,id. Epod. 13, 4: aetas populi Romani viruit,Flor. 1, 22: ut novus serpens ... solet squamā virere recenti,Ov. M. 9, 267: virium gloriā virente florere,Just. 4, 4, 5.

vĭrĕo (noun M) :
* A kind of bird; acc. to some, the greenfinch, Plin. 18, 29, 69, § 292.