English to English

noun (n)

• the state of being flexed (as of a joint)(noun.state)

  Synonym:
  flection, flexion
  

  source: wordnet30
• an angular or rounded shape made by folding(noun.shape)

  Example:
  A flexure of the colon.
  

  Synonym:
  bend, crease, crimp, fold, plication
  

  source: wordnet30
• act of bending a joint; especially a joint between the bones of a limb so that the angle between them is decreased(noun.act)

  Synonym:
  flexion
  Antonym:
  extension
  

  source: wordnet30
• The act of flexing or bending; a turning or curving; flexion; hence, obsequious bowing or bending.(noun)

  source: webster1913