1 : an agreement (or contract) in which property is transferred from the seller (vendor) to the buyer (vendee) for a fixed price in money (paid or agreed to be paid by the buyer)
2 : the state of being purchasable; offered or exhibited for selling
3 : the activity of persuading someone to buy
4 : income (at invoice values) received for goods and services over some given period of time
5 : income (at invoice values) received for goods and services over some given period of time
6 : the selling of goods to consumers; usually in small quantities and not for resale
7 : the exchange of goods for an agreed sum of money
8 : the mechanical advantage gained by being in a position to use a lever
