adj.
1.most important element principal n.
1.the original amount of a debt on which interest is calculated
2.the educator who has executive authority for a school
3.an actor who plays a principal role
4.capital as contrasted with the income derived from it
5.the major party to a financial transaction at a stock exchange
Idiom of the Day
musical chairs
the transfer of people in an organization into different jobs (especially each other`s jobs)
They are playing musical chairs at our company as people move from one position to another position.