Akademik

1. the principal dish of a meal

2. a square mainsail

a square mainsail. See diag. under ship.

[1505-15]

main course noun

1. The mainsail on square-rigged ships

2. The principal course of any meal

Main Entry: ↑main

main course UK US noun [countable] [singular main course plural main courses]

the biggest part of a meal

Thesaurus: parts of meals_meronym types of meal_hyponym

main course,

Nautical. the square sail attached to the lowest yard of the mainmast of a square-rigged vessel.

1) the most substantial course of a meal

2) the mainsail of a square-rigged sailing ship