Nummulites
Pronunciation : Num`mu*li"tes
Part of Speech : n.
Etymology : [NL. See Nummulite.] (Paleon.)
Definition : Defn: A genus of extinct Tertiary Foraminifera, having a thin, flat, round shell, containing a large number of small chambers arranged spirally.
Source : Webster's Unabridged Dictionary, 1913