Webster’s Revised Unabridged Dictionary · 1913
Polycyttaria
Pol′y·cyt·ta′ri·a (·sĭt·tā′rĭ·ȧ), n. pl. [NL., fr. Gr. πολύς many + κυττάριον, dim. fr. κύτος a hollow vessel.] (Zoöl.) A division of Radiolaria. It includes those having one more central capsules.