Standardised collateral 是什么意思?

collateral

a.
1. 并行的
2. 附属的,附带的
digress into collateral matters
扯到枝节问题上去
3. 旁系的;间接的
A cousin is a collateral relative.
表兄弟是旁系亲属。
4. 担保的,有担保的
a collateral loan
抵押贷款
n.
1. 旁系亲属[C]
2. 担保品,抵押品[U][S1]
He used his house as a collateral for the loan.
他用房子作这笔贷款的担保品。