Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun main_course

2 senses of main course

Sense 1
entree, main course -- (the principal dish of a meal)
       => course -- (part of a meal served at one time; "she prepared a three course meal")

Sense 2
main course -- (a square mainsail)
       => mainsail -- (the lowermost sail on the mainmast)