Main Entry: chae·to·gnath
Pronunciation: \ˈkē-ˌtäg-ˌnath, -tə(g)-\
Function: noun
Etymology: New Latin
Chaetognatha, class or phylum name, ultimately from Greek
chaitē +
gnathos jaw — more at
-gnathousDate: circa 1889
: arrowworm
— chaetognath adjective