Medical Dictionary
2 ENTRIES FOUND:

saccule

noun sac·cule \ˈsak-(ˌ)yü(ə)l\

Medical Definition of SACCULE

:  a little sac; specifically :  the smaller chamber of the membranous labyrinth of the ear
April 28, 2015
portmanteau Hear it
a word formed by the blending of words
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