The noun purchase has 4 senses (first 3 from tagged texts)
1. (8) purchase -- (the acquisition of something for payment; "they closed the purchase with a handshake")
2. (3) purchase -- (something acquired by purchase)
3. (1) purchase -- (a means of exerting influence or gaining advantage; "he could get no purchase on the situation")
4. leverage, purchase -- (the mechanical advantage gained by being in a position to use a lever)
Overview of verb purchase
The verb purchase has 1 sense (first 1 from tagged texts)
1. (35) buy, purchase -- (obtain by purchase; acquire by means of a financial transaction; "The family purchased a new car"; "The conglomerate acquired a new company"; "She buys for the big department store")