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A starchy meal ground from the dried roots of various orchids chiefly of the genus Orchis, used for food and formerly as medicine.
(Botany) the dried ground starchy tubers of various orchids, used for food and formerly as drugs
[C18: via French and Turkish from Arabic sahlab, shortened from khusy ath-tha'lab, literally: fox's testicles, name of an orchid]
a starchy, demulcent drug or foodstuff consisting of the dried tubers of certain orchids.
[1730–40; < Turkish salep]