"flexure" in the noun sense
1. flexure, flection, flexion
the state of being flexed (as of a joint)
2. fold, crease, plication, flexure, crimp, bend
an angular or rounded shape made by folding
"a fold in the napkin"
"a crease in his trousers"
"a plication on her blouse"
"a flexure of the colon"
"a bend of his elbow"
3. flexion, flexure
act of bending a joint especially a joint between the bones of a limb so that the angle between them is decreased
Source: WordNet® (An amazing lexical database of English)
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