Sacculus

·noun A little sac; ·esp., a part of the membranous labyrinth of the ear.

sacculus
saccŭlus, i, m. dim. [saccus], a little sack or bag (not in Cic.); for filtering wine, Lucil. ap....

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
sacculus
sacculus ī, m dim.saccus, a small bag (as a filter for wine), Lucil. ap. C.— A purse : pleno cum t...

An Elementary Latin Dictionary