What is the meaning of Flexure?

The act of bending or flexing; flexion.

A turn; a bend; a fold; a curve.

A part of a machine designed to bend in operation.

A curve or bend in a tubular organ.

The last joint, or bend, of the wing of a bird.

The small distortion of an astronomical instrument caused by the weight of its parts; the amount to be added or subtracted from the observed readings of the instrument to correct them for this distortion.

To introduce a flexure into; to bend or flex.

flexure

vocative masculine singular of flexūrus

Source: wiktionary.org