The others were waiting and allowing their food to settle while waiting for the main course.
This was but an interlude, though an instructive one, in the main course of events.
We should have telephoned to you to have the main course with us tonight.
Yet they are episodes, and have little bearing on the main course of his thought.
They were indeed the main course of the naval war of the rest of her reign.
The main course of this river is from north-west to south-east.
But the main course of his narrative flowed on with the same breadth and depth of learning and the same brilliancy of expression.
The main course of European civilization has on the whole been from south-east to north-west.
It is very deep; the main course of the water is North; it is fourscore yards wide in the narrowest part.
If you can speak without them and hold without stumbling to the main course of your argument, so much the better.