1
- mass noun something pledged as security for repayment of a loan, to be forfeited in the event of a default抵押品; 担保品。
2
- a person having the same descent as another but by a different line旁系亲属。
1
- descended from the same stock but by a different line旁系的：
a collateral descendant of Robert Burns.
罗伯特·彭斯的旁系后裔。
2
- additional but subordinate; secondary附属的; 次要的：
the collateral meanings of a word.
一个词的附加含义。
2.1
- situated side by side; parallel并列的; 平行的：
collateral veins.
平行血管。
派生词
collaterality
nouncollaterally
adverb词源
late Middle English (as an adjective)： from medieval Latin collateralis, from col- 'together with' + lateralis （from latus, later- 'side'）. Sense 1 (originally US) is from the phrase collateral security, denoting something pledged in addition to the main obligation of a contract.