[kee-tog-nath, -tuh
g-] 
| 1. | any animal of the phylum Chaetognatha, comprising the arrowworms. |
| 2. | Also, chae⋅tog⋅na⋅than [kee-tog-nuh-thuhn] , chae⋅tog⋅na⋅thous. belonging or pertaining to the Chaetognatha. |
| chae·tog·nath (kē'tŏg-nāth') n. Any of various marine worms of the phylum Chaetognatha, which includes the arrow worms. adj. Of, relating to, or belonging to the phylum Chaetognatha. [From New Latin Chaetognatha, phylum name : chaeta, chaeta; see chaeta + Greek gnathos, jaw; see genu-2 in Indo-European roots.] chae·tog'na·thous (-nə-thəs) adj. |
| chaetognath (kē'tŏg-nāth') Pronunciation Key
Any of various small, wormlike marine invertebrates of the phylum Chaetognatha, having often transparent or translucent bodies that are pointed at one end. The head has small hooks for grasping prey, and it contains a large cerebral ganglion of sensory nerves. Chaetognaths are popularly called arrowworms, and are thought to be related to the echinoderms and chordates. |