meal vs course

meal and course both are nouns.

Word	Noun	Adjective	Verb	Adverb
meal	Yes	No	No	No
course	Yes	No	Yes	Yes

meal (noun)	course (noun)
the food served and eaten at one time	a mode of action
coarsely ground foodstuff; especially seeds of various cereal grasses or pulse	education imparted in a series of lessons or meetings
any of the occasions for eating food that occur by custom or habit at more or less fixed times	facility consisting of a circumscribed area of land or water laid out for a sport
	(construction) a layer of masonry
	part of a meal served at one time
	a connected series of events or actions or developments
	a body of students who are taught together
	general line of orientation
	a line or route along which something travels or moves

meal (adverb)	course (adverb)
	as might be expected