PROSTOMIUM


Meaning of PROSTOMIUM in English

-ēəm noun

( plural prosto·mia -ēə)

Etymology: New Latin, from pro- (I) + -stoma + -ium

: the portion of the head of various worms and mollusks situated in front of the mouth and commonly held to be nonmetameric

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.