Definition of "Company" :
noun: an institution created to conduct business
"He started the company in his garage."
noun: a unit of firefighters including their equipment
"A hook-and-ladder company."
noun: a social gathering of guests or companions
"The house was filled with company when I arrived."
noun: organization of performers and associated personnel (especially theatrical)
"The traveling company all stayed at the same hotel."
noun: small military unit; usually two or three platoons
noun: crew of a ship including the officers; the whole force or personnel of a ship
noun: a band of people associated temporarily in some activity
"The company of cooks walked into the kitchen."
noun: a social or business visitor
"The room was a mess because he hadn't expected company."
noun: the state of being with someone
"He missed their company."
verb: be a companion to somebody