knock down
Pronunciation:
verb
Definitions
To hit or knock (something), intentionally or accidentally, so that it falls.
Example: As I took the can off the shelf, I knocked down the one beside it.
To demolish.
Example: We knocked down the garden shed when we moved.
At an auction, to declare (something) sold with a blow from the gavel.
Example: The picture was knocked down for £50.
To reduce the price of.
Example: They knocked it down by another £5, so we bought it.