[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
a person having the same descent as another but by a different line 旁系亲属
adjective
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。
additional but subordinate; secondary 附属的;次要的 the collateral meanings of a word. 一个词的附加含义。 ■situated side by side; parallel 并列的;平行的 collateral veins. 平行血管。
派生 collaterality noun collaterally adverb 语源
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