Pronunciation (US) enPR: ăl'-ə-vən, IPA (key): /ˈæl.ə.vən/ Audio (UK)(file) Noun Singular alevin Plural alevins (countable) An alevin is a young salmon fish who has just hatched. Related words fry parr smolt Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads