say it: kuhm-PA-nyuhn
companion is a noun and verb meaning "a friend who is frequently in the company of another". It carries 4 recorded senses.
a traveler who accompanies you
one paid to accompany or assist or live with another
be a companion to somebody
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for companion come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.