1. A friend who is frequently in the company of another
   "drinking companions"
   - comrade, fellow, familiar, associate, yokefellow [N. Amer] 
2. A traveller who accompanies you
   - fellow traveler [US], fellow traveller [Brit, Cdn] 
3. One paid to accompany or assist or live with another

1. Be a companion to somebody
   - company, accompany, keep company

Derived forms: companions, companioned, companioning

See also: companionship

Type of: affiliate, associate, assort, attendant, attender, consort, friend, tender, traveler [US], traveller [Brit, Cdn]

Encyclopedia: Companion

• cascara buckthorn
• cascara sagrada
• cascarilla
• cascarilla bark
• case
• case agreement
• case history
• case in point
• case knife
• case law
• case officer
• case shot
• case study
• case-by-case
• case-fatality proportion
• case-hardened
• case-hardened steel
• case-to-infection proportion
• case-to-infection ratio
• caseate
• caseation
• casebook
• cased
• caseful
• caseharden