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      now superseded by the bayonet.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
      (Bal[ae]noptera rostrata), having an elongated snout; --
      called also piked whale.

   Sand pike (Zool.), the lizard fish.

   Sea pike (Zool.), the garfish
      (a) .
          [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Luce \Luce\ (l[imac]s), n. [OF. lus, L. lucius a kind of fish.]
   (Zool.)
   A pike when full grown. --Halliwell.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Luce
    n 1: United States publisher of magazines (1898-1967) [syn:
         Luce, Henry Luce, Henry Robinson Luce]
    2: United States playwright and public official (1902-1987)
       [syn: Luce, Clare Booth Luce]

U.S. Gazetteer Counties (2000):

Luce -- U.S. County in Michigan
   Population (2000):    7024
   Housing Units (2000): 4008
   Land area (2000):     903.083024 sq. miles (2338.974196 sq. km)
   Water area (2000):    1008.802908 sq. miles (2612.787425 sq. km)
   Total area (2000):    1911.885932 sq. miles (4951.761621 sq. km)
   Located within:       Michigan (MI), FIPS 26
   Location:             46.461723 N, 85.593089 W
   Headwords:
    Luce
    Luce, MI
    Luce County
    Luce County, MI