Utriculus
Pronunciation : U*tric"u*lus
Part of Speech : n.
Etymology : [L., a little womb or matrix, a calycle.] (Anat.)
Definition : Defn: A little sac, or bag; a utricle; especially, a part of the membranous labyrinth of the ear. See the Note under Ear.
Source : Webster's Unabridged Dictionary, 1913