principal
1. register, principal
either of the two main stops on a pipe organ [eden od dveh glavnih registrov na orglah s piski.]
2. principal, ravnateljica, ravnatelj, rektor, predstojnica, rektorica, predstojnik
the educator who has executive authority for a school [pedagoga, ki ima izvršilno pristojnost za šolo.]
3. glavnica, principal, vodja, vodja
the major party to a financial transaction at a stock exchange; buys and sells for his own account [glavna stranka v finančni transakciji na borzi; kupuje in prodaja za lasten račun]