Lewis Short
(adjective) : grandaevus, a, um, grandisaevum
* In years, old, aged (poet. and in post-Aug. prose): Nereus,Verg. G. 4, 392: Alethes,id. A. 1, 121: Emathion,Ov. M. 5, 99: pater,id. ib. 8, 519: patres,id. ib. 7, 160: senes,Tac. H. 3, 33: manus,i. e. the Senate,Sil. 16, 653: alios (deos) esse grandaevos semperque canos, alios juvenes atque pueros,Plin. 2, 7, 5, ยง 17: apes,Verg. G. 4, 178: consilia,of an aged man,Val. Fl. 7, 348.
Charlton T. Lewis, Charles Short, A Latin Dictionary