Pronunciation (UK) IPA (key): /eə(r)z/, SAMPA: /e@(r)z/ (US) IPA (key): /erz/, SAMPA: /erz/ Audio (US)(file) Homophones airs errs Noun Singular heir Plural heirs The plural form of heir; more than one (kind of) heir.Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads