colobinePronunciation: /ˈkɒləbʌɪn/Definition of colobine noun Zoology an Old World monkey of a mainly leaf-eating group that includes the colobus monkeys, langurs, and leaf monkeys. Subfamily Colobinae, family Cercopithicidae Origin: 1950s: from modern Latin Colobinae, based on Greek kolobos 'cut short'colobine in other Oxford dictionaries Definition of colobine in the US English dictionary