Definitions For Main

noun

• A principal pipe in a system that distributes water or gas or electricity or that collects sewage
• Any very large body of (salt) water
• The largest pipe in a system of connected pipes
• The system of pipes or wires for electricity, gas, or water
• The place where electricity, gas, or water enters a building or room

adjective

• (of a clause) capable of standing syntactically alone as a complete sentence

adjective

• Most important element
• Of force; of the greatest possible intensity