penniger
From LSJ
Cicero, Tusculanarum Disputationum, I.45.109
pennĭger: ĕra, ĕrum, adj., or pinnĭ-ger penna-gero,
I feathered, winged.
I Lit. (class.): genus animantium, Cic. Univ. 10: pinniger rex apum, Plin. 11, 16, 16, § 48.—
II Transf. (poet.): sagittae, Sil. 3, 375.