To satisfy, or content; specifically, to satisfy (another person) for service rendered, property delivered, etc.; to discharge one's obligation to; to make due return to; to compensate; to remunerate; to recompense; to requite; as, to pay workmen or servants.
To discharge, as a debt, demand, or obligation, by giving or doing what is due or required; to deliver the amount or value of to the person to whom it is owing; to discharge a debt by delivering (money owed).
Hence, to make or secure suitable return for expense or trouble; to be remunerative or profitable; to be worth the effort or pains required; as, it will pay to ride; it will pay to wait; politeness always pays.
An equivalent or return for money due, goods purchased, or services performed; salary or wages for work or service; compensation; recompense; payment; hire; as, the pay of a clerk; the pay of a soldier.
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Pay in the Royal Navy was poor, and varied with the rating of a seaman (landsman, ordinary, or able); officer’s pay varied with the rating of the ship they were serving on, with the highest pay on 1st rate ships and the lowest on 6th rate ships.