Laccolite
Pronunciation : Lac"co*lite, Lac"co*lith
Part of Speech : n.
Etymology : [Gr. -lite, -lith.] (Geol.)
Definition : Defn: A mass of igneous rock intruded between sedimentary beds and resulting in a mammiform bulging of the overlying strata. -- Lac`co*lit"ic, a.
Source : Webster's Unabridged Dictionary, 1913