The Collaborative International Dictionary of English v.0.48:

Gore \Gore\, n. [OE. gore, gare, AS. g?ra angular point of land,
   fr. g?r spear; akin to D. geer gore, G. gehre gore, ger
   spear, Icel. geiri gore, geir spear, and prob. to E. goad.
   Cf. Gar, n., Garlic, and Gore, v.]
   1. A wedgeshaped or triangular piece of cloth, canvas, etc.,
      sewed into a garment, sail, etc., to give greater width at
      a particular part.
      [1913 Webster]

   2. A small traingular piece of land. --Cowell.
      [1913 Webster]

   3. (Her.) One of the abatements. It is made of two curved
      lines, meeting in an acute angle in the fesse point.
      [1913 Webster]

   Note: It is usually on the sinister side, and of the tincture
         called tenn['e]. Like the other abatements it is a
         modern fancy and not actually used.
         [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Gore \Gore\, n. [AS. gor dirt, dung; akin to Icel. gor, SW.
   gorr, OHG. gor, and perh. to E. cord, chord, and yarn; cf.
   Icel. g["o]rn, garnir, guts.]
   1. Dirt; mud. [Obs.] --Bp. Fisher.
      [1913 Webster]

   2. Blood; especially, blood that after effusion has become
      thick or clotted. --Milton.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Gore \Gore\, v. t. [imp. & p. p. Gored; p. pr. & vb. n.
   Goring.] [OE. gar spear, AS. g?r. See 2d Gore.]
   To pierce or wound, as with a horn; to penetrate with a
   pointed instrument, as a spear; to stab.
   [1913 Webster]

         The low stumps shall gore
         His daintly feet.                        --Coleridge.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Gore \Gore\, v. t.
   To cut in a traingular form; to piece with a gore; to provide
   with a gore; as, to gore an apron.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Gore
    n 1: Vice President of the United States under Bill Clinton
         (born in 1948) [syn: Gore, Al Gore, Albert Gore Jr.]
    2: coagulated blood from a wound
    3: a piece of cloth that is generally triangular or tapering;
       used in making garments or umbrellas or sails [syn: gore,
       panel]
    4: the shedding of blood resulting in murder; "he avenged the
       bloodshed of his kinsmen" [syn: bloodshed, gore]
    v 1: wound by piercing with a sharp or penetrating object or
         instrument
    2: cut into gores; "gore a skirt"