Examples of “main” in a Sentence

adj Most important; primary or chief.

• The main reason he quit was the long commute.
• What is the main course tonight?
• The main entrance is on the left, beside the little cafe.

noun A large pipe carrying water, gas, or electricity to a network of buildings.

• A burst water main flooded the street.
• Workers dug up the road to repair a leaking gas main.
• Our house is connected to the water main at the end of the street.