reverse curve

American  

noun

1. an S -shaped curve, as on highways and railroad tracks, produced by the joining of two curves that turn in opposite directions.

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Example Sentences

See Examples For:

reverse curve

At 100 feet a reverse curve brought the cavern on a course parallel to that which it had held up to 60 feet.

From Archeological Investigations Bureau of American Ethnology, Bulletin 76 by Fowke, Gerard

Air Force chevrons have no point, but are a compound reverse curve with the deepest part of the curve worn down; over this is imposed a star within a circle.

From The Armed Forces Officer Department of the Army Pamphlet 600-2 by United States. Dept. of Defense

Then there was a curve which took him across the line again to Talpers's, after which a reverse curve swept back into the Indians' domain.

From Mystery Ranch by Chapman, Arthur

In the midst of this desert a great upheaval of granite rock thrown squarely across the direct path of the railroad opposed its straight course and made a long reverse curve necessary.

From The Mountain Divide by Both, Armand

In the winding roads of the park we learned to turn corners on two wheels and rest the other pair for the reverse curve.

From O. Henry Memorial Award Prize Stories of 1920 by Various