main
adjectiveMost important; principal. synonym: chief.
adjectiveExerted to the utmost; sheer.
adjectiveConnected to or located near the mainmast.
adjectiveOf or relating to a continuous area or stretch, as of land or water.
nounThe chief or largest part.
nounThe principal pipe or conduit in a system for conveying water, gas, oil, or other utility.
nounPhysical strength.
nounA mainland.
nounThe open ocean.