Word.ws English Dictionary

keyhole urchin

keyhole urchin noun: any of numerous clypeastroid sea urchins (sand dollars) of the genus Melitta.

Noun

keyhole urchin (plural keyhole urchins)

  1. Any of numerous clypeastroid sea urchins (sand dollars) of the genus Melitta
  2. (dated) Any of various notched sand dollars of genera Rotula and Encope.

Synonyms of keyhole urchin

Forms of keyhole urchin

pluralkeyhole urchins

Words formed from keyhole urchin

Questions about keyhole urchin

What does keyhole urchin mean?
Keyhole urchin means any of numerous clypeastroid sea urchins (sand dollars) of the genus Melitta.
What part of speech is keyhole urchin?
Keyhole urchin is a noun.
What is the plural of keyhole urchin?
The plural of keyhole urchin is keyhole urchins.

Words near keyhole urchin in the dictionary

  1. keyhole sand dollars
  2. keyhole saw
  3. keyhole saws
  4. keyhole surgeries
  5. keyhole surgery
  6. keyhole urchin
  7. keyhole urchins
  8. keyhole wound
  9. keyhole wounds
  10. keyholed
  11. keyholes

Source and license

Adapted from Wiktionary: keyhole 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.

Last updated:

Cite this entry: “keyhole urchin.” Word.ws, https://word.ws/keyhole_urchin. Based on Wiktionary, CC BY-SA 4.0.