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urchin

urchin

14 4.9
A small sea animal with a round spiny shell on the ocean floor
  • noun
  • /ˈɜrʧɪn/
translation icon : erizo de mar
  • I would never eat a sea urchin.
  • sea urchin
  • red urchin
  • California sea urchin

Oh, that's like a sea urchin or something.

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Examples

  • While snorkeling, I saw a purple urchin nestled between the rocks on the ocean floor.

  • The little white chunks are sea urchin.

  • But there was one bit where there were loads of sea urchins on the ground.

  • This is our sea urchin, with an emulsion of sea weed.

  • The Oregon coastal red sea urchin fishery has followed a pattern similar to that of Northern California.

    Academic text (1997)
  • There are nearshore areas where sea urchins are the dominant benthic organism.

    Academic text (1997)
  • We watched the sea urchins wave their spiny selves back and forth in a tidal pool.

    Fiction book (1998)
  • The chef prepared a delicious dish using fresh urchin from the market.

  • The marine biologist studied the behavior of urchins in their natural habitat.

Synonyms

sea urchin
vsurchin
8 4.2

A small round sea animal with sharp spines that lives on rocks

lives on the ocean floor rather than mainly in shallow waters
sand dollar
vsurchin
1 5.6

A flat round sea animal with a hard shell that lives on sandy sea floors

is rounded and spiny rather than flat with a rigid skeleton
echinoid
vsurchin
  • Specialized
9.7

An animal that lives in the sea with a spiny shell, like a sea urchin

is the general common name for a typical member, not a whole class
heart urchin
vsurchin
9.1

A sea animal with a heart-shaped body and a spiny shell

is round in shape rather than having a heart-shaped body

Compounds

8 4.2

A small round sea animal with sharp spines that lives on rocks

street urchin
  • Archaic
5 7.6

A poor child who spends most of their time on the streets

A small sea animal with spikes whose soft parts people eat, like uni

A sea animal with a heart-shaped body and a spiny shell

Surface Forms

urchin singular
urchins plural

Etymology

Urchin for the sea animal comes from the same idea: it looks like a little hedgehog, covered in spines. That is why a sea urchin is a round, spiny creature found on the ocean floor.