principal

中文： 本金、校长、委托人、主犯

1. The money originally invested or loaned, on which basis interest and returns are calculated. (uncountable) · A portion of your mortgage payment goes to reduce the principal, and the rest covers interest.· Coordinate term: interest
2. A 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. (countable, uncountable) · My principal sells metal shims.
3. The primary participant in a crime. (countable, uncountable)
4. Either party in a duel. (countable, uncountable)
5. A partner or owner of a business. (US, countable, uncountable)
6. A type of stop on a pipe organ consisting of flue pipes with a bright tonal quality. They are also sometimes referred to as a diapason. (countable, uncountable)
7. The 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. (countable, uncountable)
8. The first two long feathers of a hawk's wing. (countable, uncountable)

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