Meaning & Definition
noun
A person or animal with whom one spends a lot of time or with whom one travels.
She regarded her dog as her closest companion.
A partner or associate in an activity or a business.
He invited his companion to help him with the project.
A book, item, or guide that provides information about a subject.
I bought a travel companion to help me navigate the city.
Etymology
From Latin 'companio', from 'com-' (with) + 'panis' (bread), literally meaning 'one who breaks bread with another'.
Common Phrases and Expressions
a companion in arms:
Someone who fights alongside another.
traveling companion:
A person who accompanies someone on a journey.
life companion:
A partner in life, often in a romantic sense.
Slang Meanings
Wingman
He's my wingman; always there to back me up.
Sidekick
He's more than a sidekick; he's my best buddy.