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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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Short "hint"

A large pocketknife. Also: To bend at a 90-degree angle.

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Usage examples (39)
  • The truck driver jackknifed his rig on the highway when he slid on ice.
  • Verb (used without object) : The prizefighter jackknifed and fell when he was hit in the stomach
  • Verb (used with object) : The blow jackknifed the prizefighter
  • "jackknife" - Version: 2.4.2, 8/10/2009 08: 58PM PST
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The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.