sea·horse
plural seahorses
Definition of seahorse
1
: walrus
2
: a mythical creature half horse and half fish
3
: any of a genus (Hippocampus of the family Syngnathidae) of small bony fishes that have the head angled downward toward the body which is carried vertically and are equipped with a prehensile tail
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seahorse 3
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Cite this Entry
“Seahorse.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seahorse. Accessed 27 Jun. 2022.
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Time Traveler for seahorse
The first known use of seahorse was in the 15th century
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