(trīt′n) noun
Any of a genus (Triton) of marine gastropods with many gills and a trumpet-shaped shell. [<NL <L, Triton]
TRITON

(trī′ton) noun
The nucleus of anatom of tritium. [<TRIT(IUM)+(ELECTR)ON]

(trīt′n)
1. In Greek mythology: a A son of Poseidon (Neptune) and Amphitrite, represented with a man's head and upper body and a dolphin's tail. b One of a race of attendants of the sea gods.
2. Her. A merman; also, a Neptune holding a trident.
—Tri′ton·ess noun fem.