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plural noun

in some classifications
: a division of Echinoidea including the ordinary sea urchins that have a more or less globular symmetrical shell with 20 meridional rows of plates and the mouth and anus at opposite poles


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taxonomic synonym of regulares

Word History


Plural noun

New Latin, from Late Latin, neuter plural of regularis regular

New Latin, from Late Latin, neuter plural of regularis regular

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Dictionary Entries Near Regularia

Cite this Entry

“Regularia.” Dictionary, Merriam-Webster, Accessed 29 Jan. 2023.

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