sea urchin


Definition of sea urchin

: any of numerous echinoderms (class Echinoidea) that are usually enclosed in thin brittle globular tests covered with movable spines

Examples of sea urchin in a Sentence

Recent Examples on the Web Los Angeles Times Santa Barbara sea urchins are prized by high-end restaurants. Julia Wick, Los Angeles Times, "Newsletter: A special election and more in the week ahead," 11 May 2020 Regalis has seen its briskest sales in meat, specifically wagyu, as well as uni (sea urchin). Kate Krader,, "Home Cooks Are Grabbing Discount Wagyu, Uni, and Caviar," 8 May 2020 Lamb barbecue called jingisukan, a Hokkaido specialty, will be on the menu along with sea urchin and seaweed dishes, which are typical of the region. Florence Fabricant, New York Times, "& Sons, a Sommelier’s Ham Bar, Opens in Prospect-Lefferts Gardens," 11 Mar. 2020 The restaurant has fresh oysters and also carries live scallops, sea urchins and lobsters, unusual for sushi restaurants in the area. Carol Deptolla, Milwaukee Journal Sentinel, "Jin's Sushi Seafood & Bar opens in Greenfield," 18 Jan. 2020 Without their main predator, the native kelp-eating purple sea urchin population skyrocketed to 60 times its historic numbers. Peter Fimrite,, "Giving the ocean some help — California’s new plan to deal with climate change, sea level rise," 26 Feb. 2020 According to state figures, 54 percent of dive-fishing areas have been closed to sea urchin harvest due to otters. Michael R. Shea, Field & Stream, "Are Sea Otters the Next Wolves?," 11 Dec. 2019 And all the while, the sea urchin population was thriving, growing 60-fold between 2014 and 2015. Brigit Katz, Smithsonian, "Voracious Purple Sea Urchins Are Ravaging Kelp Forests on the West Coast," 26 Oct. 2019 The process of creating the dress' gorgeous sea urchin decorations took over 160 hours to complete. Kayleigh Roberts, Harper's BAZAAR, "Deepika Padukone Says Her Go-To Outfit Is Pajamas, Not the Red Carpet Glam We All Associate Her With," 19 Oct. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sea urchin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of sea urchin

1591, in the meaning defined above

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Time Traveler for sea urchin

Time Traveler

The first known use of sea urchin was in 1591

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Statistics for sea urchin

Last Updated

26 May 2020

Cite this Entry

“Sea urchin.” Dictionary, Merriam-Webster, Accessed 31 May. 2020.

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More Definitions for sea urchin

sea urchin


English Language Learners Definition of sea urchin

: a small sea animal that lives on the ocean floor and is covered in sharp spines

sea urchin


Kids Definition of sea urchin

: a small sea animal that is related to the starfish, lives on the sea bottom, and is enclosed in a roundish shell covered with spines that can move

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More from Merriam-Webster on sea urchin

Spanish Central: Translation of sea urchin

Nglish: Translation of sea urchin for Spanish Speakers Encyclopedia article about sea urchin

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