Lewis & Short

mendico, āvi, ātum, 1, v. n. and a., and mendīcor, ātus sum (archaio inf. mendicarier, Plaut. Capt. prol. 13), 1, v. dep. [mendicus], to beg, ask for alms, go a-begging; to beg for something, solicit, obtain by begging; constr. absol. and with acc. (poet. and post-class.): mendicantem vivere, to live by begging. Plaut. Capt 2, 2, 73: quando histrionem cogis mendicarier, id. ib. prol. 13; mendicum malim mendicando vincere, id. ib. 3, 4, 16.
Act.: a me mendicas malum, Plaut. Am. 4, 2, 12: aliquid mendicare, App. Mag. p. 287, 1.
Poet.: ejectis mendicat silva Camenis, i.e. is full of beggars, Juv. 3, 16.
Part. in pass. sense: mendicatus victa Karthagine panis, Juv. 10, 277.