Source : Webster's Revised Unabridged Dictionary (1913)

Spear \Spear\, v. t. [imp. & p. p. {Speared}; p. pr. & vb. n.
   {Spearing}.]
   To pierce with a spear; to kill with a spear; as, to spear a
   fish.

Spear \Spear\, v. i.
   To shoot into a long stem, as some plants. See {Spire}.
   --Mortimer.

Spear \Spear\, n. [OE. spere, AS. spere; akin to D. & G. speer,
   OS. & OHS. sper, Icel. spj["o]r, pl., Dan. sp[ae]r, L.
   sparus.]
   1. A long, pointed weapon, used in war and hunting, by
      thrusting or throwing; a weapon with a long shaft and a
      sharp head or blade; a lance.

   Note: [See Illust. of {Spearhead}.] ``A sharp ground spear.''
         --Chaucer.

               They shall beat their swords into plowshares, and
               their spears into pruning hooks.   --Micah iv. 3.

   2. Fig.: A spearman. --Sir W. Scott.

   3. A sharp-pointed instrument with barbs, used for stabbing
      fish and other animals.

   4. A shoot, as of grass; a spire.

   5. The feather of a horse. See {Feather}, n., 4.

   6. The rod to which the bucket, or plunger, of a pump is
      attached; a pump rod.

   {Spear foot}, the off hind foot of a horse.

   {Spear grass}. (Bot.)
      (a) The common reed. See {Reed}, n., 1.
      (b) meadow grass. See under {Meadow}.

   {Spear hand}, the hand in which a horseman holds a spear; the
      right hand. --Crabb.

   {Spear side}, the male line of a family. --Lowell.

   {Spear thistle} (Bot.), the common thistle ({Cnicus
      lanceolatus}).

Source : WordNet®

spear
     n 1: a long pointed rod used as a weapon [syn: {lance}, {shaft}]
     2: an implement with a shaft and barbed point used for catching
        fish [syn: {gig}, {fizgig}, {fishgig}, {lance}]

spear
     v 1: pierce with a spear; "spear fish"
     2: thrust up like a spear; "The branch speared up into the air"
        [syn: {spear up}]