Meanings
nounkeyhole sand dollar (plural keyhole sand dollars)
plural keyhole sand dollars
- Synonym of keyhole urchin.
Synonyms: keyhole urchin
Synonyms & antonyms
nounSynonym of keyhole urchin.
Similar
Also see
Cite this entry
APA
keyhole sand dollar. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/keyhole%20sand%20dollar
MLA
“keyhole sand dollar.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/keyhole%20sand%20dollar. Accessed November 5, 2026.
Chicago
WatkinsX Dictionary, s.v. “keyhole sand dollar,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/keyhole%20sand%20dollar.
Source: keyhole sand dollar on Wiktionary, CC BY-SA 4.0.