Lewis Short
rĕ-vĭresco, rŭi, 3
* V. inch. n., to become or grow green again; to recover its verdure.
* Lit. (rare): laesae silvae,Ov. M. 2, 408: arbor Ruminalis in novos fetus,Tac. A. 13, 58: caepe revirescit decedente lunā, contra autem inarescit adulescente,Gell. 20, 8, 17.
* Poet., transf., of an old man, to become young again: spes est virginibus subjecta, Arte suum parili revirescere posse parentem,Ov. M. 7, 305: pars credunt torvos patriā revirescere vultus,Sil. 15, 134.
* Trop., to grow strong or vigorous again; to grow young again; to be renewed; to flourish again; to revive (freq. and class.): aliquando rei publicae vires, quae malitiā nocentum exaruerunt, virtute optimatium revirescent,Auct. Her. 4, 34, 45; cf.: quamquam sunt accisae (res), tamen efferent se aliquando et ad renovandum bellum revirescent,Cic. Prov. Cons. 14, 34; id. Phil. 7, 1, 1: cum semel invasit senectus, regressum non habet, nec revirescere aut repubescere potest, Col. 2, 1, 4; Flor. prooem. fin.: imperium,Curt. 10, 9, 5: domus Germanici,Tac. A. 4, 12: partes,id. H. 3, 7 fin.: dux pignore promissae laudis,Sil. 8, 228: nunc praeclari facti decus crebrā memoriā revirescit,Val. Max. 4, 8, 4.
Charlton T. Lewis, Charles Short, A Latin Dictionary