/kee"tog nath', -teuhg-/ , n.
1. any animal of the phylum Chaetognatha, comprising the arrowworms.
adj.
2. Also, chaetognathan /kee tog"neuh theuhn/ , chaetognathous . belonging or pertaining to the Chaetognatha.
[ 1885-90; Chaetognatha, neut. pl. of CHAETOGNATHUS; see CHAETO-, -GNATHOUS ]