sea horse

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sea horse

Where it comes from

From Middle English sehors (“walrus”), equivalent to sea + horse. Probably a calque of obsolete French cheval de mer or directly of Late Latin caballus marinus. Named so after the shape of its head being similar to horse's head.

noun sea horses · seahorse · sea-horse

  1. Any of the small fish of the genus Hippocampus that have a horselike head and swim upright.
  2. Any of a series of high-value British stamps issued during the reign of King George V, featuring a depiction of Britannia on a chariot in choppy seas.
  3. obsolete A hippopotamus. As most authors mention the hippopotamus under the names of the sea-horse, or the sea-cow, he has sometimes been confounded with the latter, which inhabits only the northern seas.
  4. obsolete A walrus. One morning we had vast quantities of sea-horses about the ship, which neighed exactly like any other horses.
  5. Synonym of hippocampus. In the middle of each of theſe four little Gardens, there is a diſtinct Fountain, and in each of the Fountains there is placed a gilded Triton, ſitting on a gilded Sea-Horſe, or on a Sea-Goat, all upon Rockwork, like that in the middle Fountain[.]

    Similar: hippocampus

Translations

Every language

noun fish

Españolhipocampo, caballito de mar, caballito marino
한국어해마 haema
日本語竜の落とし子 tatsuno-otoshigo
中文海馬 /海马 hǎimǎ
हिन्दीअश्वमीन aśvamīn
Kiswahilimbuzi-bahari
Portuguêscavalo-marinho
Françaishippocampe
DeutschSeepferdchen
Italianocavalluccio marino, ippocampo
Ελληνικάιππόκαμπος ippókampos
Românăcăluț de mare, hipocamp
Русскийморско́й конёк morskój konjók
Tiếng Việtcá ngựa, hải mã
العربيةفَرَس بَحْر faras baḥr

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MLA

"sea horse." Wiktionary, via Micwyn, micwyn.com/word/sea%20horse. Accessed 6 Nov. 2026.

APA

sea horse. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/sea%20horse

Chicago

"sea horse." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/sea%20horse.

BibTeX
@misc{sea_horse_2026,
  title = {sea horse},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/sea%20horse},
  urldate = {2026-11-06}
}