1.To impart the knowledge of; to give intelligence concerning; to impart, as knowledge before unknown, or rules for practice; to inculcate as true or important; to exhibit impressively; as, to teach arithmetic, dancing, music, or the like; to teach morals. "If some men teach wicked things, it must be that others should practice them."
2.To direct, as an instructor; to manage, as a preceptor; to guide the studies of; to instruct; to inform; to conduct through a course of studies; as, to teach a child or a class. "He taught his disciples." "The village master taught his little school."
3.To accustom; to guide; to show; to admonish. "I shall myself to herbs teach you." "They have taught their tongue to speak lies." Note: This verb is often used with two objects, one of the person, the other of the thing; as, he taught me Latin grammar. In the passive construction, either of these objects may be retained in the objective case, while the other becomes the subject; as, I was taught Latin grammar by him; Latin grammar was taught me by him.