PHYLUM CHAETOGNATHA(noun)Did you mean?Synonyms RhymesDefinitions There is 1 meaning of the phrase Phylum Chaetognatha. Phylum Chaetognatha - as a noun Arrowworms: a group of small active transparent marine worms Synonyms (Exact Relations)chaetognathaWord Variations & RelationsStarts PStarts PHStarts PHYStarts PHYLEnds AEnds HAEnds THAEnds ATHAStarts P & ends AStarts PH & ends AStarts P & ends HAA-Z Proximitiesphylogenic21phylogenies20phylogeny21phylon14phylum16 phylum chaetognatha physaphysalia16physalias17physalis16physalises18