An academic course by which a student studying a certain subject can change to another subject.

A course of study conducted via electronic media, especially via the Internet.

(navigation) The estimated course that a boat should steer in order to arrive at a waypoint, bearing in mind the effects that wind and tide will have on the vessel.

Informal form of of course.

(cycling) A location where bicycles are maintained between races.

plural of course credit

A path for running, with a series of obstacles such as nets and walls, used for military training.

plural of matter of course

(historical) A course of higher education for women in imperial Russia.

(US, colloquial) An introductory university course that is designed to "weed out" those students who are not able to pass it.