The definition of buy means to purchase or to get by exchange.(verb)
An example of to buy is giving a cashier twenty dollars for two movie tickets.
See buy in Webster's New World College Dictionary
Origin: ME bien < OE bycgan < ? IE base of bow
See buy in American Heritage Dictionary 4
verb bought bought (bôt), buy·ing, buys verb, transitive
Origin: Middle English
Origin: , from Old English bycgan.
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