(treated as sing. or pl) an association of people for carrying on a commercial or industrial enterprise
friendly association with another; fellowship
I enjoy her company
companions or associates
I'm not happy with the company he keeps
(treated as sing. or pl) visitors or guests
We're having company for dinner
(treated as sing. or pl)
a group of people or things
a company of horsemen
a unit of soldiers composed usu of two or more platoons
an organization of musical or dramatic performers
the officers and crew of a ship
Brit a unit of Guides
keep company with
to associate or spend time with (somebody) on a regular basis
keep somebody company
to accompany or spend time with somebody so that they will not be lonely, bored, etc
[Middle English companie from Old French compagnie, from compain companion, from late Latin companio: see companion1]