Source : Webster's Revised Unabridged Dictionary (1913)

Winter-ground \Win"ter-ground`\, v. t.
   To coved over in the season of winter, as for protection or
   shelter; as, to winter-ground the roods of a plant.

         The ruddock would . . . bring thee all this, Yea, and
         furred moss besides, when flowers are none To
         winter-ground thy corse.                 --Shak.