Companion | Mean of companion in English Dictionary

/kəmˈpænjən/

• Noun
• a person or animal you spend time with or enjoy being with
1. She has been my closest companion since childhood.
2. his longtime companion
3. The old dog had been her constant companion for over 12 years. [=had been with her most of the time for 12 years]
4. Pain was his constant companion. [=he felt pain all the time]
• someone you are with
1. my dinner companion [=the person I was eating dinner with]
2. traveling companions
• something that is meant to be used with something else
1. The book is a companion to the television series with the same name.
2. The book is the companion volume to his previous book on jazz.
3. The table is a companion piece to the two chairs.

• a person who is paid to live with and help someone who is older or sick
1. We've hired a companion for my elderly mother.