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Medical Dictionary

chestnut

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noun chest·nut \ˈches-(ˌ)nət\

Medical Definition of chestnut

  1. 1a:  a tree or shrub of the genus Castanea (C. dentata) that is found in eastern North America and the leaf of which was formerly used to prepare an infusion for the treatment of whooping coughb:  the edible nut of a chestnut

  2. 2:  a callosity on the inner side of the leg of the horse





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