1. 资金,本金：principal sulcus == 主钩 | principal sum == 资金,本金 | principal supply road == 主要供应线路

2. 本钱：Offer;quotation 报价 | Principal sum 本钱 | Comparative price 比价

noun

1. capital as contrasted with the income derived from it

Synonym: principalcorpus