switchback
☆
noun
- a road or railroad following a zigzag course up a steep grade
- Brit. roller coaster
See switchback in American Heritage Dictionary 4
switch·back
noun- A road, trail, or railroad track that follows a zigzag course on a steep incline.
- A sharp bend in a road or trail on a steep incline.
- Chiefly British A roller coaster.
intransitive verb 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.
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