noun (n)

• an injury to the neck (the cervical vertebrae) resulting from rapid acceleration or deceleration (as in an automobile accident)(noun.state)

  Synonym:
  whiplash injury
  

  source: wordnet30
• a quick blow delivered with a whip or whiplike object(noun.act)

  Synonym:
  lash, whip
  

  source: wordnet30
• The lash of a whip, - - usually made of thongs of leather, or of cords, braided or twisted.(noun)

  source: webster1913