An increase; something that accumulates, especially an amount of money that periodically accumulates for a specific purpose

plural of accrual

A fixed-interest bond that is issued at its face value and repaid at the end of the maturity period together with the accrued interest.

plural of accrual bond

(finance, accounting, often attributive) A method of accounting that tracks income and expenditure when they become due, rather than when they actually occur.