rhizocephala Meaning, Definition & Usage

Rhi`zo*ceph"a*la noun plural
Etymology
NL., fr. Gr. root + head.
Definitions
  1. (Zoöl.) A division of Pectostraca including saclike parasites of Crustacea. They adhere by rootlike extensions of the head. See Illusration in Appendix.

Webster 1913