I. knock ‧ down 1 /ˈnɒkdaʊn $ ˈnɑːk-/ BrE AmE adjective [only before noun] informal
a knockdown price is very cheap
II. knockdown 2 BrE AmE noun [countable]
when a ↑ boxer falls down when he is hit
I. knock ‧ down 1 /ˈnɒkdaʊn $ ˈnɑːk-/ BrE AmE adjective [only before noun] informal
a knockdown price is very cheap
II. knockdown 2 BrE AmE noun [countable]
when a ↑ boxer falls down when he is hit
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012