say it: NAHK-down
knockdown is a noun and adjective meaning "a blow that knocks the opponent off his feet". It carries 2 recorded senses.
a blow that knocks the opponent off his feet
(furniture) easily assembled and dismantled
“I bought a knockdown chest at the do-it-yourself store”
furniture
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for knockdown come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.