“+ noun plural
Usage: capitalized
Etymology: New Latin, from hemi- (I) + chordata
: a division of Chordata usually considered both subphylum and class, including the Enteropneusta and Pterobranchia and in some classifications the Phoronidea, and comprising a group of vermiform marine animals that have in the proboscis an outgrowth of the pharyngeal wall which suggests and is probably homologous with the notochord of higher chordates
• hemi·chordate “+ noun or adjective