fortĭcŭlus, a, um, adj. dim. [fortis],
somewhat bold , brave , or resolute (very rare): quamvis idem (Epicurus) forticulum se in torminibus praebeat, * Cic. Tusc. 2, 19, 45; Ap. Met. 8, 24, 13; carmina, Aus. Idyll. 3 fin.
forticulus adj. dim. fortis, somewhat bold, rather brave : forticulum se praebere....
An Elementary Latin Dictionary