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whiplash

/ˈwɪpˌlæʃ/ noun

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about whiplash at Wordnik → Where our words come from →

  1. An injury to the neck (the cervical vertebrae) resulting from rapid acceleration or deceleration (as in an automobile accident).
  2. A quick blow delivered with a whip or whiplike object.
    the whip raised a red welt

Origin

From whip + lash.

From Wiktionary, via Kaikki.org (CC BY-SA)