Word Study
wintergreen
CIDE DICTIONARY
wintergreen, n.
A plant which keeps its leaves green through the winter. [1913 Webster]
" In England, the name wintergreen is applied to the species of Pyrola which in America are called English wintergreen , and shin leaf (see Shin leaf, under Shin .) In America, the name wintergreen is given to Gaultheria procumbens , a low evergreen aromatic plant with oval leaves clustered at the top of a short stem, and bearing small white flowers followed by red berries; -- called also checkerberry , and sometimes, though improperly, partridge berry ." [1913 Webster]
OXFORD DICTIONARY
wintergreen, n. any of several plants esp. of the genus Pyrola or Gaultheria remaining green through the winter.
For further exploring for "wintergreen" in Webster Dictionary Online