overthrust Syllabification: (o·ver·thrust)Pronunciation: /ˈōvərˌTHrəst/ GeologyDefinition of overthrust noun the thrust of one series of rock strata over another, especially along a fault line at a shallow angle to the horizontal. verb (past and past participle overthrust) [with object] force (a body of rock) over another: (as noun overthrusting)the increased overburden resulting from overthrusting (of a body of rock) be forced over (another formation):the shales are overthrust by Carboniferous rocksoverthrust in other Oxford dictionaries Definition of overthrust in the British & World English dictionary
