Definitions
1.nounThe money originally invested or loaned, on which basis interest and returns are calculated."A portion of your mortgage payment goes to reduce the principal, and the rest covers interest."
2.nounThe chief administrator of a school.
3.nounThe chief executive and chief academic officer of a university or college.
4.nounA legal person that authorizes another (the agent) to act on their behalf; or on whose behalf an agent or gestor in a negotiorum gestio acts."My principal sells metal shims."
5.nounThe primary participant in a crime.
6.nounA partner or owner of a business.
7.nounA diapason, a type of organ stop on a pipe organ.
8.nounThe construction that gives shape and strength to a roof, generally a truss of timber or iron; or, loosely, the most important member of a piece of framing.
9.nounThe first two long feathers of a hawk's wing.
10.nounOne of the turrets or pinnacles of waxwork and tapers with which the posts and centre of a funeral hearse were formerly crowned.
11.nounAn essential point or rule; a principle.
12.nounA dancer at the highest rank within a professional dance company, particularly a ballet company.
13.nounA security principal.