vi to negotiate or treat about a purchase.
2. buy ·vt to acquire or procure by something given or done in exchange, literally or figuratively; to get, at a cost or sacrifice; to buy pleasure with pain.
3. buy ·vt to acquire the ownership of (property) by giving an accepted price or consideration therefor, or by agreeing to do so; to acquire by the payment of a price or value; to purchase;
opposed to sell.