noun (n)

• a turning or tilting backward of an organ or body part(noun.state)

  Example:
  Retroversion of the uterus.
  

  Synonym:
  retroflection, retroflexion
  

  source: wordnet30
• translation back into the original language(noun.communication)

  Example:
  The teacher translated Latin texts into English which he gave to his students for retroversion.
  

  source: wordnet30
• returning to a former state(noun.act)

  Synonym:
  regress, regression, retrogression, reversion
  

  source: wordnet30
• A turning or bending backward; also, the state of being turned or bent backward; displacement backwards; as, retroversion of the uterus.(noun)

  source: webster1913