v.1. To disburse money to someone who is owed the money: We paid $2,000 out to the contractor. The clients paid out for our services in advance.
2. To spend money, especially a large amount: I paid out $20,000 for my new car. My parents paid a bundle out for my tuition.
3. To unwind or slowly add slack to some rope or line: He paid out the line after each cast. She paid the leash out bit by bit to allow the dog to explore in the park.