chae·to·gnath /ˈkiˌtɑgˌnæθ, tə(g)-/
Chæ·tog·nath a. Zool. Of or pertaining to the Chætognatha.
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chaetognath
n : 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 [syn: arrowworm]