Source : Webster's Revised Unabridged Dictionary (1913)

Queachy \Queach"y\, a.
   1. Yielding or trembling under the feet, as moist or boggy
      ground; shaking; moving. ``The queachy fens.'' ``Godwin's
      queachy sands.'' --Drayton.

   2. Like a queach; thick; bushy. [Obs.] --Cockeram.