switchback ['swichˌbak] 1. switch·back 1) a 180° bend in a road or path, esp. one leading up the side of a mountain 2) a road, path, or railroad with alternate sharp ascents and descents ■ a roller coaster 2. switch·back [intrans.] (of a road or vehicle) make a series of switchback turns a road that switchbacked up blue and distant hills
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