Possible Definitions:
1. Career (n.) A race course: the ground run over.
2. Career (n.) A running; full speed; a rapid course.
3. Career (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.
4. Career (n.) The flight of a hawk.
5. Career (v. i.) To move or run rapidly.