noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A transparent predatory marine worm of the phylum Chaetognatha, found in plankton.
2. 2
   any worm of the Chaetognatha; transparent marine worm with horizontal lateral and caudal fins and a row of movable curved spines at each side of the mouth wordnet

Synonyms

All synonyms

chaetognathmarine invertebratemarine plankton predatormarine wormplanktonic predator

Etymology

From arrow + worm.