laccolith

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lac·co·lith

 (lăk′ə-lĭth′)
n.
A mass of igneous rock intruded between layers of sedimentary rock, resulting in uplift.

[Greek lakkos, pond, cistern + -lith.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

laccolith

(ˈlækəlɪθ) or

laccolite

n
(Geological Science) a dome-shaped body of igneous rock between two layers of older sedimentary rock: formed by the intrusion of magma, forcing the overlying strata into the shape of a dome. See lopolith
[C19: from Greek lakkos cistern + -lith]
ˌlaccoˈlithic, laccolitic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

lac•co•lith

(ˈlæk ə lɪθ)
n.
a mass of igneous rock formed from magma that spread laterally into a lenticular body, forcing overlying strata to bulge upward.
[1875–80; < Greek lákko(s) pond + -lith]
lac`co•lith′ic, lac`co•lit′ic (-ˈlɪt ɪk) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

laccolith

A lens-shaped mass of intrusive igneous rock that pushes overlying rocks into a dome.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited