starfish

noun

star·​fish ˈstär-ˌfish How to pronounce starfish (audio)
: any of a class (Asteroidea) of echinoderms that have a body of usually five arms radially arranged about a central disk and feed largely on mollusks (such as oysters)

called also sea star

Examples of starfish in a Sentence

Recent Examples on the Web
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The gripper’s design draws inspiration from biological systems and resembles both a human hand and a starfish. Neetika Walter, Interesting Engineering, 11 June 2026 The giant starfish, Oreaster, lives here. Literary Hub, 8 June 2026 The shipment included surgeonfish, puffer fish, lionfish, butterflyfish, octopuses, crabs, and starfish, all commonly sought for home aquariums and exotic collections. Moná Thomas, PEOPLE, 1 June 2026 For an ultra on-theme set, opt for 3D seashells, chrome starfish accents, and translucent details that mimic the look of shimmering ocean water. Amanda Le, InStyle, 31 May 2026 See All Example Sentences for starfish

Word History

First Known Use

1538, in the meaning defined above

Time Traveler
The first known use of starfish was in 1538

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Cite this Entry

“Starfish.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/starfish. Accessed 16 Jun. 2026.

Kids Definition

starfish

noun
star·​fish ˈstär-ˌfish How to pronounce starfish (audio)
: any of a class of echinoderms that have five arms arranged evenly around a central disk and feed largely on mollusks (as oysters)

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