serinPronunciation: /ˈsɛrɪn/Definition of serin noun a small Eurasian and North African finch related to the canary, with a short bill and typically streaky plumage. Genus Serinus, family Fringillidae: several species, in particular the European serin (S. serinus) Origin: mid 16th century (denoting a canary): from French, 'canary', of unknown ultimate originserin in other Oxford dictionaries Definition of serin in the US English dictionary