Meaning of spoonworm

spoon•worm

Pronunciation: (spn'wûrm"), [key]
— n.
  1. any of various unsegmented, burrowing marine worms of the phylum Echiura, of shallow waters worldwide, having a sausage-shaped body and a flattened head.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.