seahorse

American  

[see-hawrs] / ˈsiˌhɔrs /

Or sea horse

noun

1. any fish of the genus Hippocampus, of the pipefish family, having a prehensile tail, an elongated snout, and a head bent at right angles to the body.

2. a fabled marine animal with the foreparts of a horse and the hind parts of a fish.

3. a walrus.

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Etymology

Origin of seahorse

First recorded in 1425–75; late Middle English sehors, possibly meaning “walrus”; compare German Seeross; sea ( def. ), horse