Pronunciation (UK) IPA (key): /ˈreɪzə/ (US) IPA (key): /ˈreɪzɚ/ Audio (US)(file) Hyphenation: ra‧zor Homophone: raiser Noun Singular razor Plural razors (countable) A razor is a type of knife that is used to shave hair.Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads