- a long vegetable with dark green skin that is light green inside, usually eaten raw see also sea cucumberTopics Foodb2Word Originlate Middle English: from Old French cocombre, coucombre, from Latin cucumis, cucumer-.
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Idioms
See cucumber in the Oxford Advanced American Dictionary(as) cool as a cucumber
- very calm and showing control, especially in a difficult situation
- George is cool as a cucumber and this should be just another operation for him.
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cucumber