tranche

A portion of a total, especially of a block of assets such as cash or securities.

A cut or slice of meat.

A slice, section or portion.

One of a set of classes or risk maturities which comprise a multiple-class security, such as a CMO or REMIC; a class of bonds; collateralized mortgage obligations are structured with several tranches of bonds that have various maturities.

a portion of something (especially money)