Pronunciation (UK) enPR: pē'nŭt", IPA (key): /ˈpiːnʌt/ (US) IPA (key): /ˈpiˌnʌt/ Audio (US)(file) Hyphenation: pea‧nut Noun Singular peanut Plural peanuts (countable) A peanut is a type of legume that looks like a nut. Related words peanut butter Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads