ˌ ̷ ̷ ̷ ̷ ̷ ̷ˈstōmēə noun plural
Usage: capitalized
Etymology: New Latin, from deuter- (I) + -stomia
in many classifications : a major division of the animal kingdom comprising all bilateral animals (as the chordates) that lack ectomesoderm and have indeterminate cleavage and a mouth that does not arise from the blastopore