n. - A race course: the ground run over.
n. - A running; full speed; a rapid course.
n. - General course of action or conduct in life, or in a particular part or calling in life, or in some special undertaking; usually applied to course or conduct which is of a public character; as, Washington's career as a soldier.
n. - The flight of a hawk.
v. i. - To move or run rapidly.