echinoderm

e·chi·no·derm
E1C3H4I1N1O1D2E1R1M3
UK/ɪˈkaɪnə(ʊ)ˌdɜːm/UK/ɪˈkɪ-/US/ɪˈkaɪnəˌdɝm/US/ɪˈkaɪnoʊˌdɝm/

noun

An animal of the phylum Echinodermata, comprising radially symmetric, spiny-skinned marine animals including seastars, sea urchins, sea cucumbers, crinoids, and sand dollars.

UncommonFirst used 19th c.Scrabble 18

Meanings

nounechinoderm (plural echinoderms)

plural echinoderms

  1. An animal of the phylum Echinodermata, comprising radially symmetric, spiny-skinned marine animals including seastars, sea urchins, sea cucumbers, crinoids, and sand dollars.First known use 19th c.

    Many echinoderms are still bilateral as larvae, and swim freely in the ocean like baby fish.

    2012, Caspar Henderson, The Book of Barely Imagined Beings, Granta Books, published 2013, page 47
    1 more example

    Comparatively few additions were therefore made to the previously known Echinoderm-fauna of Brazil, only a single species, a Leptasterias, being with certainty new to science.

    1879, Richard Rathbun, A List of the Brazilian Echinoderms: With Notes on Their Distribution, Etc

Origin

  1. Latinechinoderma
  2. Frenchéchinoderme
  3. Englishechinoderm

From French échinoderme, corresponding to echino- + -derm, after plural of 18th-century Latin echinoderma.

Full word history & related roots →

Translations

Bulgarian иглоко́жо
  • иглоко́жо (iglokóžo)member of the Echinodermata
Catalan equinoderm
  • equinodermmember of the Echinodermata
Chinese Mandarin 棘皮動物 /棘皮动物
  • 棘皮動物 /棘皮动物 (jípí dòngwù)member of the Echinodermata
Czech ostnokožec
  • ostnokožecmember of the Echinodermata
Finnish piikkinahkainen
  • piikkinahkainenmember of the Echinodermata
French échinoderme
  • échinodermemember of the Echinodermata
German Stachelhäuter
  • Stachelhäutermember of the Echinodermata
Greek εχινόδερμο
  • εχινόδερμο (echinódermo)member of the Echinodermata
Hebrew קווץ עור
  • קווץ עור (kvuts ór)member of the Echinodermata
Hungarian tüskésbőrűek
  • tüskésbőrűekmember of the Echinodermata
Icelandic skrápdýr
  • skrápdýrmember of the Echinodermata
Indonesian echinoderma
  • echinodermamember of the Echinodermata
Japanese 棘皮動物
  • 棘皮動物 (kyokuhi dōbutsu)member of the Echinodermata
Korean 극피동물
  • 극피동물 (geukpidongmul)member of the Echinodermata
Lithuanian dygiaõdis
  • dygiaõdismember of the Echinodermata
Māori kiri taratara, kiritaratara
  • kiri tarataramember of the Echinodermata
  • kiritarataramember of the Echinodermata
Polish szkarłupień
  • szkarłupieńmember of the Echinodermata
Portuguese equinodermo
  • equinodermomember of the Echinodermata
Romanian echinoderm
  • echinodermmember of the Echinodermata
Russian иглоко́жее
  • иглоко́жее (iglokóžeje)member of the Echinodermata
Spanish equinodermo
  • equinodermomember of the Echinodermata
Swedish tagghuding
  • tagghudingmember of the Echinodermata
Tagalog tinikan
  • tinikanmember of the Echinodermata
Turkish derisi dikenli, ekinoderm
  • derisi dikenlimember of the Echinodermata
  • ekinodermmember of the Echinodermata
Cite this entry
APA

echinoderm. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/echinoderm

MLA

“echinoderm.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/echinoderm. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “echinoderm,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/echinoderm.

Source: echinoderm on Wiktionary, CC BY-SA 4.0.