sacculus Meaning, Definition & Usage

  1. noun a small sac or pouch (especially the smaller chamber of the membranous labyrinth)
    saccule.

WordNet

Sac"cu*lus noun
Etymology
L., little sack.
Wordforms
plural Sacculi
Definitions
  1. (Anat.) A little sac; esp., a part of the membranous labyrinth of the ear. See the Note under Ear.

Webster 1913