F / fĭlix
noun

fĭlix

gen. fĭlĭcis · gender feminine · decl. 3rd
(, Paul. ex Fest. p. 86 Müll.
N. cr; fern
N. cr.), ĭcis, f., fern, πτέρις.
Lit., Plin. 27, 9, 55, § 78; 17, 4, 3, § 29; Verg. G. 2, 189; 3, 297; Hor. S. 1, 3, 37; Col. 2, 2, 13.—
the hair of the pubes by extension
Transf., the hair of the pubes, Pers. 4, 41.