• Knockdown

    Origin

    knock + down

    Full definition of knockdown

    Noun

    knockdown

    (plural knockdowns)
    1. An act of knocking down or the condition of being knocked down.
    2. An overwhelming blow.
    3. (genetics) A genetically modified organism that carries one or more genes in its chromosomes that has been made less active or had its expression reduced.
    4. (genetics) The use of a reagent such as an oligonucleotide with sequence complementary to an active gene or its mRNA transcript, to interfere with the expression of said gene.
    5. (nautical) The condition of a sailboat being pushed abruptly to horizontal, with the mast parallel to the water surface.
    6. (soccer) a short pass played downwards, for example from the head onto someone's feet.
      • 2011, January 29, Chris Bevan, Aston Villa 3 - 1 Blackburn, Pires, a three-time Cup winner with Arsenal who scored the Gunners' winner against Southampton in the 2003 final, has been a largely peripheral figure at Villa Park since joining in November - but the 37-year-old rolled back the years with a fine finish from Delfouneso's knockdown.

    Adjective

    knockdown

    1. powerful enough to overwhelm or knock down
    2. reduced in price

    Derived terms

    © Wiktionary