echiurid: Meaning and Definition of

ech•i•u•rid

Pronunciation: (ek"ē-yoor'id), [key]
— n.
  1. any of various unsegmented marine worms of the phylum Echiura, comprising the spoonworms.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.