Illustration of seahorse
- seahorse 1
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
Examples of seahorse in a Sentence
Recent Examples on the Web
Every morning, seahorses greet their other half by performing a rhythmic dance that can last minutes or even hours to strengthen their bond.
—
K. R. Callaway, Scientific American, 13 Feb. 2026
That’s later, though, after Angie manages to jam her finger in the door while wearing an inflatable seahorse costume and the whole crew somehow finds the time to get ready in really elaborate zombie makeup.
—Rafaela Bassili, Vulture, 10 Feb. 2026
But a seahorse is a fish, and so is Bombay duck.
—Richard Lederer, San Diego Union-Tribune, 31 Jan. 2026
The backstory The resort opened in December 2017 on a manmade island loosely shaped like a seahorse, just off Dubai’s Jumeirah residential neighbourhood.
—Condé Nast, Condé Nast Traveler, 26 Jan. 2026
But despite its water-sensitive glues and exposed hydraulics, the seahorse completed its route intact.
—Gavin J. Quinton, Los Angeles Times, 3 Jan. 2026
Oh, and don't forget this $7 too-cute 3-in-1 Lego unicorn that also transforms into a peacock and a seahorse.
—Chaunie Brusie, Parents, 30 Nov. 2025
Creator 3-in-1 Magical Unicorn Toy This Lego set can be configured into a rainbow unicorn, seahorse, or peacock.
—Mia Huelsbeck, PEOPLE, 15 Nov. 2025
An exhilarating dive can be had at Champagne Reef in Soufriere Scotts Head Marine Reserve, where the underwater volcanic thermal springs attracts parrotfish, octopus, seahorses and turtles.
—Adrienne Jordan, USA Today, 6 Nov. 2025
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K. R. Callaway, Scientific American, 13 Feb. 2026
That’s later, though, after Angie manages to jam her finger in the door while wearing an inflatable seahorse costume and the whole crew somehow finds the time to get ready in really elaborate zombie makeup.
—Rafaela Bassili, Vulture, 10 Feb. 2026
But a seahorse is a fish, and so is Bombay duck.
—Richard Lederer, San Diego Union-Tribune, 31 Jan. 2026
The backstory The resort opened in December 2017 on a manmade island loosely shaped like a seahorse, just off Dubai’s Jumeirah residential neighbourhood.
—Condé Nast, Condé Nast Traveler, 26 Jan. 2026
But despite its water-sensitive glues and exposed hydraulics, the seahorse completed its route intact.
—Gavin J. Quinton, Los Angeles Times, 3 Jan. 2026
Oh, and don't forget this $7 too-cute 3-in-1 Lego unicorn that also transforms into a peacock and a seahorse.
—Chaunie Brusie, Parents, 30 Nov. 2025
Creator 3-in-1 Magical Unicorn Toy This Lego set can be configured into a rainbow unicorn, seahorse, or peacock.
—Mia Huelsbeck, PEOPLE, 15 Nov. 2025
An exhilarating dive can be had at Champagne Reef in Soufriere Scotts Head Marine Reserve, where the underwater volcanic thermal springs attracts parrotfish, octopus, seahorses and turtles.
—Adrienne Jordan, USA Today, 6 Nov. 2025
Cite this Entry
“Seahorse.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seahorse. Accessed 15 Feb. 2026.
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