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From Latin flexura.


flexure (countable and uncountable, plural flexures)

  1. The act of bending or flexing; flexion.
  2. A turn; a bend; a fold; a curve.
    • British Quarterly Review
      varying with the flexures of the valley through which it meandered
  3. (anatomy) A curve or bend in a tubular organ.
  4. (zoology) The last joint, or bend, of the wing of a bird.
  5. (astronomy) 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.

Related terms[edit]



  • The American Heritage Dictionary of the English Language, Fourth Edition (2000).

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for flexure in
Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)




  1. vocative masculine singular of flexūrus