pl. Academies. A garden or grove near Athens where Plato and his followers held their philosophical conferences; hence, the school of philosophy of which Plato was head. An institution for the study of higher learning; a college or a university. Popularly, a school, or seminary of learning, holding a rank between a college and a common school. A place of training; a school. A society of learned men united for the advancement of the arts and sciences, and literature, or some particular art or science; as, the French Academy; the American Academy of Arts and Sciences; academies of literature and philology. A school or place of training in which some special art is taught; as, the military academy at West Point; a riding academy; the Academy of Music. A school or seminary of learning (holding a rank between a university or college, and a common school), in which the arts and sciences in general are taught.