Webster’s Revised Unabridged Dictionary · 1913
Regularia
Reg′u·la′ri·a (rĕg′ū·lā′rĭ·ȧ), n. pl. [NL.] (Zoöl.) A division of Echini which includes the circular, or regular, sea urchins.
Webster’s Revised Unabridged Dictionary · 1913
Reg′u·la′ri·a (rĕg′ū·lā′rĭ·ȧ), n. pl. [NL.] (Zoöl.) A division of Echini which includes the circular, or regular, sea urchins.