What does "flexion" mean?

Flexion: A bending; a part bent; a fold. Bacon.

Additional senses

  1. 2.(Gram.) Syntactical change of form of words, as by declension or conjugation; inflection. Express the syntactical relations by flexion. Sir W. Hamilton.
  2. 3.(Physiol.) The bending of a limb or joint; that motion of a joint which gives the distal member a continually decreasing angle with the axis of the proximal part; -- distinguished from extension.

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