Chaetognatha

 
Pronunciation: /ˌkiːtəgˈnaθə, -ˈneɪθə/

plural noun

Zoology
  • a small phylum of marine invertebrates that comprises the arrow worms.

Derivatives

chaetognath

Pronunciation: /ˈkiːtəgnaθ/
noun

Origin:

modern Latin (plural), from Greek khaitē 'long hair' + gnathos 'jaw'