say it: PUR-chuhs
purchase is a noun and verb meaning "the acquisition of something for payment". It carries 5 recorded senses.
the acquisition of something for payment
“they closed the purchase with a handshake”
something acquired by purchase
a means of exerting influence or gaining advantage
“he could get no purchase on the situation”
the mechanical advantage gained by being in a position to use a lever
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 purchase 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.