Definition of "knock down" []

• To hit or knock (something), intentionally or accidentally, so that it falls (verb)
• To demolish. (verb)
• At an auction, to declare (something) sold with a blow from the gavel. (verb)
• To reduce the price of. (verb)
• To drink fast (verb)

Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License

• "It can be a bit difficult to knock down a clear-weather, air-to-air fighter, such as the Mig, with a heavy, complex fighter-bomber, and that's not the primary job of a fighter-bomber anyway."
• "The result of all this was that we were at one time sending kids out to attack a cement and steel bridge with nothing but 20-millimeter cannon, which is like trying to knock down the Golden Gate Bridge with a slingshot."
• "And when the servants were finally sent to find Mr. Seaworthy, they would knock down his door only to find him in bed, no longer breathing, holding a picture of his sweet daughter, Petunia Buttermeyer, whose safety Mr. Seaworthy had insured by his boundless servitude to the Master."