<p><strong>Noun</strong></p><ul><li>a person employed to instruct another in some branch or branches of learning, especially a private instructor.</li><li>a teacher of academic rank lower than instructor in some American universities and colleges.</li><li>a teacher without institutional connection who assists students in preparing for examinations.</li><li>(especially at Oxford and Cambridge) a university officer, usually a fellow, responsible for teaching and supervising a number of undergraduates.</li><li>the guardian of a boy or girl below the age of puberty or majority.</li></ul><p><strong>Verb</strong></p><ul><li>(used with object) to act as a tutor to; teach or instruct, especially privately.</li><li>to have the guardianship, instruction, or care of.</li><li>to instruct underhandedly; coach: to tutor a witness before he testifies.</li><li>Archaic. to train, school, or discipline.</li><li>to admonish or reprove.</li><li>(used without object) to act as a tutor or private instructor.</li><li>to study privately with a tutor.</li></ul>