pent a coccous

[Pref. pent a-, and Eng., . coccus (q. v.).) Bot.: Formed of five cocci; having five shells splitting elastically, and falling off a central axis or column. *pěn-ta-cos-ter, s . [PENTECOSTER.] pen-ta-crin-i-dæ, s. pl . [Mod. Latin pent a crin(us); Lat. fem. pl. adj. suff. -ide .] Zool. & Palæont.: In some cla ifications an order of Crinoidea, which is then elevated to a cla . Calyx small, with five basals and three cycles of radials; no parabasals or inter radials; arms long, much ramified; column pentagonal; the articulating surfaces formed by flower-like, crenate ridges.