ἱππόκαμπος

English (LSJ)

ὁ,

   A monster with horse's body and fish's tail, on which the sea-gods rode, Men.831; ἑστήκει Ποσειδῶν χάλκεος, ἔχων ἱ. ἐν τῇ χειρί Str.8.7.2, cf. Philostr.Im.1.8.    2 a small fish, the sea-horse, Dsc.2.3, Ael.NA14.20, Gal.12.362.