flexures

/F L EH1 K S Y UH1 R Z/
noun
  1. 1

    The act of bending or flexing; flexion.

  2. 2

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

  3. 3

    A curve or bend in a tubular organ.

  4. 4

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

  5. 5

    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.

Source: https://en.wiktionary.org/wiki/flexure, https://en.wiktionary.org/wiki/flexures