toucanPronunciation: /ˈtuːk(ə)n/Definition of toucan noun a tropical American fruit-eating bird with a massive bill and typically brightly coloured plumage. Genera Ramphastos and Andigena, family Ramphastidae: several species Origin: mid 16th century: via French and Portuguese from Tupi tucan, imitative of its calltoucan in other Oxford dictionaries Definition of toucan in the US English dictionary