terrane

[ tuh-reyn, ter-eyn ]
/ təˈreɪn, ˈtɛr eɪn /

noun Geology.

any rock formation or series of formations or the area in which a particular formation or group of rocks is predominant.
Also terrain.

Origin of terrane

First recorded in 1815–25; spelling variant of terrain
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for terrane

terrane

terrain

/ (ˈtɛreɪn) /

noun

a series of rock formations, esp one having a prevalent type of rock
an allochthonous, fault-bounded section of the earth's crust

Word Origin for terrane

C19: see terrain
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012