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

Basically a reverse curve, it is thrown regularly by only two pitchers in the National League besides Marichal�Cincinnati's Jack Baldschun and Atlanta's Chi-Chi Olivo.

From Time Magazine Archive

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

A woman I know was putting one of her babies to bed in lower 2, when we wiggled through a reverse curve that was like shooting White Horse Rapids in a Peterboro.

From The Last Spike And Other Railroad Stories by Warman, Cy

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

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