(architecture) A continuous row or layer of stones or brick set in a wall.

A study programme that is carried on by post, with tutors mailing learning materials and assignments to students, and students mailing back their work.

Informal form of of course.

(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.

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

plural of course credit

(motor racing) A state where the entire track is operated under yellow flag conditions

To come to a natural end.

(transitive, figuratively, often in the passive) To affect negatively, often in an unexpected manner; to derail.

past participle of blow off course