The course (sequence of events or actions) that follows something; subsequent course.
(archaic) The final course of a meal.
1992, John B. Keane, Durango, Boulder, CO: Roberts Rinehart, Chapter 13, p. 178,
They heated the last of the bacon and cabbage in their tin pannies. There was also some cold boiled potatoes in the provisions. These served as an aftercourse and a special treat they were […]
(obsolete) A subsequent course of study.
1892, F. J. Campbell, “The Education of the Blind” in C. E. Shelly (ed.), Transactions of the Seventh International Congress of Hygiene and Demography, London: Eyre and Spottiswoode, Section 4, pp. 231-232,
[…] I am confident that the nation will not be satisfied until we have a complete system, not only of elementary education, but an after course of training which will so prepare all the young blind of average ability that when they arrive at a suitable age for business they will become producers, and not, as hitherto, sink into semi-pauperism.