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

pike \pike\, n. f. pique; perhaps of celtic origin; cf. w. pig
   a prick, a point, beak, arm. pik pick. but cf. also l. picus
   woodpecker see pie magpie, and e. spike. cf. pick, n. 
   v., peak, pique.
   1. mil. a foot soldier's weapon, consisting of a long
      wooden shaft or staff, with a pointed steel head. it is
      now superseded by the bayonet.
      1913 webster

   2. a pointed head or spike; esp., one in the center of a
      shield or target. --beau.  fl.
      1913 webster

   3. a hayfork. obs. or prov. eng. --tusser.
      1913 webster

   4. a pick. prov. eng. --wright. raymond.
      1913 webster

   5. a pointed or peaked hill. r.
      1913 webster

   6. a large haycock. prov. eng. --halliwell.
      1913 webster

   7. a turnpike; a toll bar. --dickens.
      1913 webster

   8. zool. sing.  pl. a large fresh-water fish esox
      lucius, found in europe and america, highly valued as a
      food fish; -- called also pickerel, gedd, luce, and
      jack.
      1913 webster

   note: blue pike, grass pike, green pike, wall-eyed pike, and
         yellow pike, are names, not of true pike, but of the
         wall-eye. see wall-eye.
         1913 webster

   gar pike. see under gar.

   pike perch zool., any fresh-water fish of the genus
      stizostedion formerly lucioperca. see wall-eye,
      and sauger.

   pike pole, a long pole with a pike in one end, used in
      directing floating logs.

   pike whale zool., a finback whale of the north atlantic
      balaenoptera rostrata, having an elongated snout; --
      called also piked whale.

   sand pike zool., the lizard fish.

   sea pike zool., the garfish
      a .
          1913 webster
see also:
pie pick peak pique esox lucius pickerel 
gedd luce jack wall-eye gar pike 
gar pike perch stizostedion lucioperca sauger 
pike pole pike whale balaenoptera rostrata piked whale sand pike 
sea pike 

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

wall-eye \wall"-eye`\, n. see wall-eyed.
   1913 webster
   1. an eye in which the iris is of a very light gray or
      whitish color; -- said usually of horses. --booth.
      1913 webster

   note: jonson has defined wall-eye to be "a disease in the
         crystalline humor of the eye; glaucoma." but glaucoma
         is not a disease of the crystalline humor, nor is
         wall-eye a disease at all, but merely a natural
         blemish. --tully. in the north of england, as brockett
         states, persons are said to be wall-eyed when the white
         of the eye is very large and distorted, or on one side.
         1913 webster

   2. zool.
      a an american fresh-water food fish stizostedion
          vitreum having large and prominent eyes; -- called
          also glasseye, pike perch, yellow pike, and
          wall-eyed perch.
      b a california surf fish holconotus argenteus.
      c the alewife; -- called also wall-eyed herring.
          1913 webster
see also:
wall-eyed stizostedion vitreum glasseye pike perch yellow pike wall-eyed perch 
holconotus argenteus wall-eyed herring 

[3] : WordNet (r) 2.0

pike perch
     n : any of several pike-like fishes of the perch family syn: pike-perch
see also:
pike-perch 

Pike Perch >> P Words
Pike Perch, definition of term: Pike Perch
pike+perch_pag1.html

Pike >> P Words
Pike, definition of term: Pike
pike_pag1.html

Perch >> P Words
Perch, definition of term: Perch
perch_pag1.html

Northern Pike >> N Words
Northern Pike, definition of term: Northern Pike
northern+pike_pag1.html

Blue Pike >> B Words
Blue Pike, definition of term: Blue Pike
blue+pike_pag1.html