sea urchin
Syllables: sea ur·chin/ˈsi ˌɝtʃɪ̈n/
sea urchin noun: any of many marine echinoderms, of the class Echinoidea, commonly found in shallow water, having a complex chewing structure named Aristotle's lantern.
Noun
sea urchin (plural sea urchins)
- Any of many marine echinoderms, of the class Echinoidea, commonly found in shallow water, having a complex chewing structure named Aristotle's lantern.
- Of the many species of sea urchins utilized in biological research today the most widely used in North America is probably the purple sea urchin, Strongylocentrotus purpuratus.1986, Patrick S. Leahy, Chapter 1: Laboratory Culture of Strongylocentrotus purpuratus Adults, Embryos, and Larvae, Thomas E. Schroeder (editor), Methods in Cell Biology, Volume 27: Echinoderm...
- The pericentriolar radial complex characteristic of the spermatozoa of other echinoderms is lacking in the spermatozoa of all sea urchins.2001, V. L. Kasyanov, Reproductive Strategy of Marine Bivalves and Echinoderms, page 90
- Synonyms:
- button fish, sea chestnut, sea egg, sea hedgehog
sea urchin meaning in Hindi, Tamil, Malayalam and Tagalog
sea urchin in Hindi
- any of many marine echinoderms of the class Echinoidea
- जलसाही jalsāhī
sea urchin in Tamil
- any of many marine echinoderms of the class Echinoidea
- கடல் முள்ளெலி kaṭal muḷḷeli
sea urchin in Malayalam
- any of many marine echinoderms of the class Echinoidea
- കടൽച്ചേന kaṭalccēna
sea urchin in Tagalog
- any of many marine echinoderms of the class Echinoidea
- salungo
More languagesFewer languages
- sea urchin in Arabic
- قُنْفُذ البَحْر qunfuḏ al-baḥr
- sea urchin in Malay
- landak laut, jani
- sea urchin in Indonesian
- bulu babi, landak laut
- sea urchin in Persian
- خارپشت دریایی xârpošt daryâyi, توتیای دریایی tutiyâye daryâyi
- sea urchin in Thai
- เม่นทะเล mên-tá-lee, หอยเม่น hɔ̌i-mên
- sea urchin in Vietnamese
- cầu gai, nhím biển, nhum, nhum biển
Synonyms of sea urchin
Forms of sea urchin
| plural | sea urchins |
|---|
Origin of sea urchin
From sea + urchin (“hedgehog”), reflecting a similarity in appearance to a hedgehog.
Words formed from sea urchin
Questions about sea urchin
- What does sea urchin mean?
- Sea urchin means any of many marine echinoderms, of the class Echinoidea, commonly found in shallow water, having a complex chewing structure named Aristotle's lantern.
- What is sea urchin in Hindi?
- Sea urchin in Hindi is जलसाही (jalsāhī). See Sea urchin meaning in Hindi.
- What part of speech is sea urchin?
- Sea urchin is a noun.
- How do you pronounce sea urchin?
- Sea urchin is pronounced /ˈsi ˌɝtʃɪ̈n/ (US).
- What is the plural of sea urchin?
- The plural of sea urchin is sea urchins.
Words near sea urchin in the dictionary
Source and license
Adapted from Wiktionary: sea urchin (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
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Cite this entry: “sea urchin.” Word.ws, https://word.ws/sea_urchin. Based on Wiktionary, CC BY-SA 4.0.