Pronunciation: ' h ī -p ə - ˌ st ō m
Function: noun
Etymology: International Scientific Vocabulary hypo- + -stome (fr. Greek stoma mouth) ― more at STOMACH
Date: circa 1862
: any of several structures associated with the mouth: as a : the manubrium of a hydrozoan b : a rodlike organ that arises at the base of the beak in various mites and ticks