Definition from Wiktionary, the free dictionary
- I become aged, grow old, age.
- (by extension) I decay or diminish in strength, grow weak, weaken; waste away, wane, decline, dwindle.
- (figuratively, of an occupation) I linger too long.
Conjugation of senesco (third conjugation, active only)
- senesco in Charlton T. Lewis & Charles Short, A Latin Dictionary, Oxford: Clarendon Press, 1879