prostomium
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About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.pro·sto·mi·um
noun \prō-ˈstō-mē-əm\ plural -mia \-mē-ə\
Definition of PROSTOMIUM
: the portion of the head of an annelid worm (as an earthworm) that is situated in front of the mouth
— pro·sto·mi·al \-mē-əl\ adjective
Origin of PROSTOMIUM
New Latin, from Greek pro- + stoma mouth — more at stomach
First Known Use: 1870
Rhymes with PROSTOMIUM
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