flexure : Idioms & Phrases
Point of contrary flexure
- a point at which a curve changes its direction of curvature, or at which its convexity and concavity change sides.
Webster 1913
Sigmoid flexure
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noun the s-shaped curve between the descending colon and the rectum
sigmoid colon.
WordNet
(Anat.) , the last curve of the colon before it terminates in the rectum. See Illust. underDigestive .
Webster 1913
The flexure of a curve
(Math.) , the bending of a curve towards or from a straight line.