Dictionary entry

Laccolite

Webster's Dictionary 1913

{ Lac″co‐lite (?), 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.