lifetime Copy link Outline 1. aetas2. aevum (chiefly poet.) • lifetime: 1. aetas: once in a l., singulis aetatibus, Cic. Br. fin.: a l. would hardly suffice, vix hominis aetas esset suffectura, cf. Suet. Vesp. 10. 2. aevum (chiefly poet.): cf. Sall. Jug. init., aevi brevis, enjoying a brief l.: Lucr.: Hor.