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peristomium

noun
peri·sto·mi·um | \ ˌperəˈstōmēəm \
plural peristomia\-ēə \

Definition of peristomium 

: peristome especially : the foremost true segment of an annelid worm usually bearing the mouth

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History and Etymology for peristomium

New Latin, from peri- + stom- + -ium

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Dictionary Entries near peristomium

peristomal

peristome

peristomice

peristomium

peristylar

peristyle

peristylium

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