clypeastroid
English
Adjective
clypeastroid (comparative more clypeastroid, superlative most clypeastroid)
- (zoology) Like or related to the genus Clypeaster (order Clypeasteroida) of flattened sea urchins, with a rosette of pores on the upper side.
Noun
clypeastroid (plural clypeastroids)
- (zoology) A sea urchin or sea biscuit of this kind.
References
- “clypeastroid”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.