■ noun
1》 a long, green-skinned fruit with watery flesh, eaten raw in salads.
2》 the widely cultivated climbing plant of the gourd family which yields ~s, originally native to the Chinese Himalayan region. [ Cucumis sativus .]
Phrases
( as ) cool as a ~ very cool or calm.
Origin
ME: from OFr. cocombre , coucombre , from L. cucumis , cucumer- .