Definition of "Pay" :
noun: something that remunerates
"He wasted his pay on drink."
"Pay attention to."
verb: bear (a cost or penalty), in recompense for some action
"You'll pay for this!."
verb: convey, as of a compliment, regards, attention, etc.; bestow
"Don't pay him any mind."
verb: give money, usually in exchange for goods or services
"Pay the waitress, please."
verb: cancel or discharge a debt
"Pay up, please!."
verb: discharge or settle
"Pay a debt."
verb: do or give something to somebody in return
"Does she pay you for the work you are doing?."
verb: bring in
"How much does this savings certificate pay annually?."
verb: make a compensation for
"Pay a visit."
verb: be worth it
"It pays to go through the trouble."