nummulites Meaning, Definition & Usage

  1. noun large fossil protozoan of the Tertiary period
    nummulite.

WordNet

Num`mu*li"tes noun
Etymology
NL. See Nummulite.
Definitions
  1. (Paleon.) A genus of extinct Tertiary Foraminifera, having a thin, flat, round shell, containing a large number of small chambers arranged spirally.

Webster 1913