Pronunciation: - ' dau ̇ n
Function: transitive verb
Date: 15th century
1 : to strike to the ground with or as if with a sharp blow : FELL
2 : to dispose of (an item) to a bidder at an auction sale
3 : to take apart : DISASSEMBLE
4 : to receive as income or salary : EARN <positions where they were able to knock down good money ― Infantry Jour. >
5 : REDUCE < knocked the price down >