part of speech: adjective
definition: most important; chief; primary.
- She gave us a list of the main chapters to study for the final exam.
- The main entrance to the building is on the other side.
synonyms: biggest, cardinal, chief, paramount, premier, primary, prime, principal, supreme
part of speech: noun
definition: a large pipe for distributing water or gas to homes or other buildings.
- A leak in the water main caused the village to be without water for days.