of or pertaining to a phylum (Hemichordata) of wormlike marine animals with visceral clefts and primitive nervous and circulatory systems
Origin of hemichordatehemi- + chordate
any hemichordate animal
Any of various wormlike marine animals of the phylum Hemichordata, having gill slits and a structure similar to a notochord.
(comparative more hemichordate, superlative most hemichordate)
- Of, pertaining to, or characteristic of these animals