°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.
°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.