a precautionary measure warding off impending danger or damage or injury etc.; "he put an ice pack on the injury as a precaution"; "an insurance policy is a good safeguard"; "we let our guard down"
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"
acquire by trade or sacrifice or exchange; "She wanted to buy his love with her dedication to him and his work"
be worth or be capable of buying; "This sum will buy you a ride on the train"