1. hemichordate - Noun
2. hemichordate - Adjective
hemichordate (plural hemichordates)
(biology) Any of many marine worms, of the phylum Hemichordata, that have a primitive notochord
hemichordate (comparative more hemichordate, superlative most hemichordate)
Of, pertaining to, or characteristic of these animals
Most of what has been detailed in Hemichordate development has come from hemichordates that develop directly. Source: Internet