green monkey

American  

noun

1. a common savanna monkey, Cercopithecus aethiops sabaeus, of West Africa, with a greenish-gray back and yellow tail.

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green monkey British  

noun

1. a W African variety of a common guenon monkey, Cercopithecus aethiops, having greenish-brown fur and a dark face Compare grivet vervet

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Etymology

Origin of green monkey

First recorded in 1830–40

Example Sentences

They included Dana the squirrel monkey, Mrs Grivet the African green monkey and an escaped emu that died during an attempt to recapture it.

From The Guardian • Sep. 20, 2018

In 2009, a Liberian woman caught smuggling baboon, green monkey and warthog meat into New York's John F. Kennedy airport was sentenced to three years of probation.

From Reuters • Mar. 27, 2014

He had a local accent and was wearing a dark V neck t-shirt, black trousers, dark boots, dark gloves, and a khaki green monkey hat pulled down to his eyes.

From BBC • Jul. 31, 2011

Baxter International won approval last month to sell an H1N1 vaccine in Europe that uses a decades-old line of African green monkey kidney cells, and it is working on a vaccine for the United States.

From Washington Post • Nov. 24, 2009

A green monkey can yell to its comrades, ‘Careful! A lion!’

From "Sapiens: A Brief History of Humankind" by Yuval Noah Harari