[1] : The Collaborative International Dictionary of English v.0.48

pixy \pix"y\, pixie \pix"ie\, n.; pl. pixies. for pucksy,
   from puck.
   1. an old english name for a fairy; an elf. written also
      picksy.
      1913 webster

   2. bot. a low creeping evergreen plant pyxidanthera
      barbulata, with mosslike leaves and little white
      blossoms, found in new jersey and southward, where it
      flowers in earliest spring.
      1913 webster

   pixy ring, a fairy ring or circle. prov. eng.

   pixy stool bot., a toadstool or mushroom. prov. eng.
      1913 webster
see also:
pixies picksy pyxidanthera barbulata pixy ring pixy stool 

[2] : WordNet (r) 2.0

pixy
     n 1: creeping evergreen shrub having narrow overlapping leaves
          and early white star-shaped flowers; of the pine barrens
          of new jersey and the carolinas syn: pyxie, pixie,
          pyxidanthera barbulata
     2: folklore fairies that are somewhat mischievous syn: elf,
         hob, gremlin, pixie, brownie, imp
see also:
pyxie pixie pyxidanthera barbulata elf hob gremlin 
brownie imp 

Pixy >> P Words
Pixy, definition of term: Pixy
pixy_pag1.html