The word course has several meanings:

• course is the direction of travel in navigation
• in sailing, a course is the principal sail on a mast
• a course (US) is a unit of instruction in one subject lasting one academic term
• a course (UK; also used at MIT) or course of study is a programme of education leading to a degree or a diploma
• in dining, a course is a single dish in a row of subsequently served dishes, constituting, for example, a three-course menu. See also main course
• course in Medicine is a regime of medical drugs

• course in Medicine is also the speed of evolution of a disease. Diseases can have an acute, a subacute or a chronic course

  • course is a layer of material

• in architecture, a course is a continuous horizontal layer of similarly-sized building material, such as stone or brick, in a wall

• a string course is a continuous narrow horizontal course or moulding which projects slightly from the surface of a wall

  • a course is a pair of adjacent strings tuned to unison or an octave and usually plucked together as if a single string, in musical instruments such as the lute and vihuela.

Course