- any rock formation or series of formations or the area in which a particular formation or group of rocks is predominant.
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. 2018
- a series of rock formations, esp one having a prevalent type of rock
- an allochthonous, fault-bounded section of the earth's crust
C19: see terrain