Word forms: switchbacks
1. countable noun [oft N n]
A switchback is a road which rises and falls sharply many times, or a sharp rise and fall in a road. [British] ⇒ ...a dizzy bus ride over a switchback road.
2. countable noun A switchback is a road which goes up a steep hill in a series of sharp bends, or a sharp bend in a road. [US] ⇒ Several hundred yards beyond the first switchback in the road, he came to the second bend.
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