[trahyt-n] 
| 1. | Classical Mythology. a son of Poseidon and Amphitrite, represented as having the head and trunk of a man and the tail of a fish, and as using a conch-shell trumpet. |
| 2. | Astronomy. a moon of Neptune. |
| 3. | (lowercase ) any of various marine gastropods of the family Cymatiidae, having a large, spiral, often beautifully colored shell. |
| 4. | (lowercase) the shell of a triton. |
[trahy-ton-ik] , adjective