from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Alternative form of knockout.

from the GNU version of the Collaborative International Dictionary of English

  • adj. That knocks out; characterized by knocking out.

from The Century Dictionary and Cyclopedia

  • Causing one to be knocked out, as by a blow in a fight; hence, very effective; crushing: as, a knock-out blow.
  • n. In pugilism, the act of rendering insensible; a blow which produces insensibility.
  • n. A knock-off; a release; specifically, a device for allowing a valve in a spring-testing machine to open when the ram encounters a resistance.


Sorry, no etymologies found.



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