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

Illustration of GREEN MONKEY

First Known Use of GREEN MONKEY

1840

green monkey

noun    (Medical Dictionary)

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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