Dictionary

green monkey

noun

Definition of GREEN MONKEY

:  a long-tailed monkey of any of several African subspecies of a guenon (Cercopithecus aethiops syn. Chloroebus aethiops) having greenish-appearing hair and often used in medical research —called also vervet
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Illustration of GREEN MONKEY

First Known Use of GREEN MONKEY

1840
Medical Dictionary

green monkey

noun

Medical Definition of GREEN MONKEY

:  a long-tailed African monkey of the genus Cercopithecus (C. aethiops) that has greenish-appearing hair and is often used in medical research—called also vervet monkey

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