seahorse

noun

sea·​horse ˈsē-ˌhȯrs How to pronounce seahorse (audio)
plural seahorses
1
: 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
2
: a mythical creature half horse and half fish
3
: walrus

Illustration of seahorse

Illustration of seahorse
  • seahorse 1

Examples of seahorse in a Sentence

Recent Examples on the Web According to the International Climate Initiative, the area is the habitat of 70 percent of Peru's marine species, including turtles, humpback whales (which specifically travel here to give birth), hammerhead sharks, the Humboldt penguin, and the Pacific seahorse. Stacey Leasca, Travel + Leisure, 16 Aug. 2024 Viewers will also hear the voices of Rose Byrne, Post Malone, Pete Davidson, Alanna Ubach (who stars as Bishop), Timothy Olyphant — and for good measure, how about Danny Trejo as a mutant seahorse? Paul Cecchini, IndieWire, 5 Aug. 2024 The water was clear, boasting burgeoning reefs and deep dropoffs, sea sponges standing tall like Dr. Seussian skyscrapers as fish, seahorses, and otters coasted on the waves. Brenna Ehrlich, Rolling Stone, 15 July 2024 For example, inside that pouch, the developing seahorses receive calcium and other nutrients to build up their skeletons. Ben Guarino, Popular Science, 13 June 2024 Aside from experiments and science stations, attendees can engage in catch and release fishing, take up kayaking and get an up-close look at local wildlife such as turtles, raptors and seahorses. Karu F. Daniels, New York Daily News, 16 May 2024 The impressive ecosystem is the largest barrier reef in the northern hemisphere and home to a variety of wildlife: seahorses, spotted eagle rays, sea turtles, manatees, and more. Jessica Poitevien, Condé Nast Traveler, 22 June 2023 Start your day by hanging out with the southern sea otters and seahorses, then expand your horizons at the Gulf of Mexico tank, which is 17 feet deep, filled with 400,000 gallons of salt water, and home to stingrays, sharks, sea turtles, and more. Travel + Leisure Editors, Travel + Leisure, 1 Apr. 2024 Macro Images For the photographer, this particular seahorse made a striking contrast with the surrounding coral, the result of its especially distinguished markings around the eye, and the jaw-dropping color palette. Cecilia Rodriguez, Forbes, 27 Feb. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'seahorse.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

15th century, in the meaning defined at sense 3

Time Traveler
The first known use of seahorse was in the 15th century

Dictionary Entries Near seahorse

Cite this Entry

“Seahorse.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seahorse. Accessed 3 Oct. 2024.

Kids Definition

sea horse

noun
1
: a mythical animal half horse and half fish
2
: a small fish with bony plates covering its body and a head that looks like a horse's head
Last Updated: - Definition revised
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