Win·ter's bark Bot. The aromatic bark of tree (Drimys Winteri syn.  Drymis Winteri) of the Magnolia family, which is found in Southern Chile.  It was first used as a cure for scurvy by its discoverer, Captain John Winter, vice admiral to sir Francis Drake, in 1577.
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  winter's bark
       n 1: aromatic bark having tonic and stimulant properties
       2: South American evergreen tree yielding winter's bark and a
          light soft wood similar to basswood [syn: winter's bark
          tree, Drimys winteri]