Synonyms for Mains:

n.

oceans (noun)
oceans, seas, brines, deeps.

Usage examples for Mains

  1. The money has been spent in cutting down the jungle, filling in swamps that breed mosquitoes and fever, and in laying out gravel walks, water mains and open cement gutters, and in erecting model hospitals, barracks, and administrative offices. – The Congo and Coasts of Africa by Richard Harding Davis