'To pay on' definitions:

Definition of 'To pay on'

From: GCIDE

Pay \Pay\ (p[=a]), v. i. To give a recompense; to make payment, requital, or satisfaction; to discharge a debt. [1913 Webster]
The wicked borroweth, and payeth not again. --Ps. xxxvii. 21. [1913 Webster]
2. 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. [1913 Webster]
To pay for. (a) To make amends for; to atone for; as, men often pay for their mistakes with loss of property or reputation, sometimes with life. (b) To give an equivalent for; to bear the expense of; to be mulcted on account of. [1913 Webster]
'T was I paid for your sleeps; I watched your wakings. --Beau. & Fl. [1913 Webster]
To pay off. [Etymol. uncertain.] (a) (Naut.) To fall to leeward, as the head of a vessel under sail. (b) to repay (a debt).
To pay on. [Etymol. uncertain.] To beat with vigor; to redouble blows. [Colloq.]
To pay round [Etymol. uncertain.] (Naut.) To turn the ship's head. [1913 Webster]