Bing found the following results
Principal Definition & Meaning - Merriam-Webster
PRINCIPAL Definition & Meaning | Dictionary.com
PRINCIPAL | English meaning - Cambridge Dictionary
principal adjective - Definition, pictures, pronunciation and usage ...
Principal - Definition, Meaning & Synonyms | Vocabulary.com
PRINCIPAL definition and meaning | Collins English Dictionary
PRINCIPAL | meaning - Cambridge Learner's Dictionary
principal adjective - Definition, pictures, pronunciation and usage ...
Principal - definition of principal by The Free Dictionary
Principal Definition & Meaning | Britannica Dictionary