ETYM French, from Latin principalis. Related to Prince.
1. Highest in rank, authority, character, importance, or degree.
2. Of or pertaining to a prince; princely.
1. Capital as contrasted with the income derived from it; SYN. corpus, principal sum.
2. The original amount of a debt on which interest is calculated.
3. The educator who has executive authority for a school; SYN. school principal, head teacher, head.
4. The major party to a financial transaction; buys and sells for his own account; SYN. dealer.
Person for whom another acts as agent; person responsible for a crime
Finance, capital sum as opposed to interest or income
The identity of an individual in the Kerberos protocol.
Kerberos identifies entities (persons and processes) using principals, which have the general form primary/ instance@realm where the components have the following meanings:
Primary: The user’s name, ID number, or some other personal identifier
Instance: An optional field that allows the entity to have multiple identities, each with their own level of access control to resources
Realm: The Kerberos realm of the entity, which is usually omitted when authentication is being performed in the local realm but which must be included for authentication in remote realms