2. A knocking down; a felling by a knock, as of a combatant, or of an animal; a blow that overwhelms; also, a fist fight. [ Webster 1913 Suppl. ]

3. Something that knocks down, or takes apart, for packing or removal, as a piece of furniture; also, state of being knocked down, or taken apart. [ Webster 1913 Suppl. ]

2. Designating a rivet end to be formed into a head by upsetting in fastening. [ Webster 1913 Suppl. ]

3. Of or pertaining to the act of knocking down at an auction; specif., designating the price below which an article will not be disposed by the auctioneer. [ Webster 1913 Suppl. ]

4. Made or constructed so as to be capable of being knocked down or taken apart, as for transportation. [ Webster 1913 Suppl. ]