Dictionary

chaetognath

noun chae·to·gnath \ˈkē-ˌtäg-ˌnath, -tə(g)-\

Definition of CHAETOGNATH

:  arrowworm
chaetognath adjective

Origin of CHAETOGNATH

New Latin Chaetognatha, class or phylum name, ultimately from Greek chaitē + gnathos jaw — more at -gnathous
First Known Use: circa 1889

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