keyhole urchins

A form of keyhole urchin — Any of numerous clypeastroid sea urchins (sand dollars) of the genus Melitta

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Meanings

noun
  1. pluralplural of keyhole urchin
Cite this entry
APA

keyhole urchins. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/keyhole%20urchins

MLA

“keyhole urchins.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/keyhole%20urchins. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “keyhole urchins,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/keyhole%20urchins.

Source: keyhole urchins on Wiktionary, CC BY-SA 4.0.