From Longman Dictionary of Contemporary Englishmangetoutmange‧tout /ˌmɒnʒˈtuː $ ˌmɑːnʒ-/ noun [countable] British English DFa long flat green vegetable whose outer part is eaten as well as the seeds SYN snow pea American English
Examples from the Corpus
mangetout• Place a nest of bamboo shoots and mangetout in the centre of each plate.• Melt the remaining butter in a wide-bottomed pan, add the bamboo shoots, mangetout and seasoning.• Pour sauce over potatoes and morels inside their mangetout border.Origin mangetout (1800-1900) French “eat-all” 