1A tropical American yam which produces a number of tubers on each plant.
Dioscorea trifida, family Dioscoreaceae
- ‘The main drawback of this system is that the high purity of the juice in the cush-cush is recirculated through the mill module.’
- 1.1mass noun The edible tuber of the cush-cush, eaten as a vegetable.
- ‘They include the white yam, the sweet yam, the finger yam (with long finger-like protuberances), and the brownish-red-skinned cush-cush.’
Late 19th century perhaps ultimately of African origin.
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