Laccolith

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Laccolite \Lac"co*lite\, Laccolith \Lac"co*lith\, n. [Gr. ? a
     cistern + -lite, -lith.] (Geol.)
     A mass of igneous rock intruded between sedimentary beds and
     resulting in a mammiform bulging of the overlying strata. --
     {Lac`co*lit"ic}, a.
     [1913 Webster]