to settle (a debt, obligation, etc.), as by transferring money or goods, or by doing something: Please pay your bill.
Definition: 3
to give over (a certain amount of money) in exchange for something: He paid twenty dollars for the shirt.
Definition: 4
to transfer money as compensation or recompense for work done or services rendered; to satisfy the claims of (a person, organization, etc.), as by giving money due: He paid me for my work.