knockdown

• POS: Adjective, Noun
• HYPHEN: knock=down

CIDE DICTIONARY

knockdown, n. 

•  That which knocks one down; something that overpowers or overwhelms, as strong liquor; specif., a kind of ale or beer that is very strong.  [Webster 1913 Suppl.]
•  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.]
•  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.]

knockdown, a. 

•  Of force sufficient to fell or completely overthrow; as, a knockdown blow; a knockdown argument..  [Webster 1913 Suppl.]
•  Designating a rivet end to be formed into a head by upsetting in fastening.  [Webster 1913 Suppl.]
•  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.]
•  Made or constructed so as to be capable of being knocked down or taken apart, as for transportation.  [Webster 1913 Suppl.]