adj, noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Any of many marine worms, of the phylum Hemichordata, that have a primitive notochord

Adjective

1. 1
   Of, pertaining to, or characteristic of these animals

Etymology

From hemi- + cordate.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.