polyplacophora Meaning, Definition & Usage

  1. noun small class of marine mollusks comprising the chitons; sometimes considered an order of the subclass Amphineura
    class Polyplacophora.

WordNet

Pol`y*pla*coph"o*ra noun plural
Etymology
NL. See Poly-, and Placophora.
Definitions
  1. (Zoöl.) See Placophora.

Webster 1913