Treasury bill

(also treasury bill)

noun [C] (also T-bill) FINANCE, GOVERNMENT

Definition

› a form of borrowing by a national government, especially the US government, for a period of time of less than one year on which interest is paid at the end of the borrowing period: The 91-day treasury bill rate this year will average 8.5%, up from 5.5% last year.

(Definition of Treasury bill noun from the Cambridge Business English Dictionary © Cambridge University Press)