"companies" in the noun sense
1. company
an institution created to conduct business
"he only invests in large well-established companies"
"he started the company in his garage"
2. company
small military unit usually two or three platoons
3. company, companionship, fellowship, society
the state of being with someone
"he missed their company"
"he enjoyed the society of his friends"
4. company, troupe
organization of performers and associated personnel (especially theatrical
"the traveling company all stayed at the same hotel"
5. caller, company
a social or business visitor
"the room was a mess because he hadn't expected company"
6. company
a social gathering of guests or companions
"the house was filled with company when I arrived"
7. party, company
a band of people associated temporarily in some activity
"they organized a party to search for food"
"the company of cooks walked into the kitchen"
8. ship's company, company
crew of a ship including the officers the whole force or personnel of a ship
9. company
a unit of firefighters including their equipment
"a hook-and-ladder company"
"companies" in the verb sense
1. company, companion, accompany, keep company
be a companion to somebody
Source: WordNet® (An amazing lexical database of English)
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