membrānācĕus — Lewis & Short
membrānācĕus and -cĭus, a, um, adj.membrana,
I of skin or membrane, skinny, membranaceous (post-Aug.).
I Lit.:
vespertilio, cui membranaceae pinnae uni,Plin. 10, 61, 81, § 168:
PVGILLARES,of parchment, Inscr. Grut. 174, 7.—
II Like a skin or membrane:
quibusdam cortex membranaceus, ut viti, arundini,Plin. 16, 31, 55, § 126.