col·lat·e·ral1 /kəˈlætərəl/ noun [uncountableU] BFLproperty or other goods that you promise to give someone if you cannot pay back the money they lend you 担保品,抵押品 SYN security We put up our home as collateral in order to raise the money to invest in the scheme. 我们把房子抵押出去,筹款投资这个方案。
—collateralize American EnglishAmE verb [transitiveT]