2. (noun)principal, school principal, head teacher, head the educator who has executiveauthority for a school "she sent unruly pupils to see the principal"
7. (adj)chief(a), main(a), primary(a), principal(a), master(a) most important element "the chief aim of living"; "the main doors were of solid glass"; "the principal rivers of America"; "the principal example"; "policemen were primary targets"; "the master bedroom"; "a master switch"
Definition of 'principal'
