switch·back (sw ch b k )n. 1. A road, trail, or railroad track that follows a zigzag course on a steep incline. 2. A sharp bend in a road or trail on a steep incline. 3. Chiefly British A roller coaster. intr.v. switch·backed, switch·back·ing, switch·backs To proceed in sharp turns in alternating directions on a steep incline: the trail switchbacked up the mountain; the hikers switchbacked up the hill. |
switchback [ˈswɪtʃˌbæk]
n
1. (Engineering / Civil Engineering) a mountain road, railway, or track which rises and falls sharply many times or a sharp rise and fall on such a road, railway, or track
2. another word (esp Brit) for big dipper
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