Source : Webster's Revised Unabridged Dictionary (1913)

Stab \Stab\, v. i.
   1. To give a wound with a pointed weapon; to pierce; to
      thrust with a pointed weapon.

            None shall dare With shortened sword to stab in
            closer war.                           --Dryden.

   2. To wound or pain, as if with a pointed weapon.

            She speaks poniards, and every word stabs. --Shak.

   {To stab at}, to offer or threaten to stab; to thrust a
      pointed weapon at.

Stab \Stab\, v. t. [imp. & p. p. {Stabbed}; p. pr. & vb. n.
   {Stabbing}.] [Cf. OD. staven to fix, fasten, fr. stave,
   staff, a staff, rod; akin to G. stab a staff, stick, E.
   staff; also Gael. stob to stab, as n., a stake, a stub. Cf.
   {Staff}.]
   1. To pierce with a pointed weapon; to wound or kill by the
      thrust of a pointed instrument; as, to stab a man with a
      dagger; also, to thrust; as, to stab a dagger into a
      person.

   2. Fig.: To injure secretly or by malicious falsehood or
      slander; as, to stab a person's reputation.

Stab \Stab\, n.
   1. The thrust of a pointed weapon.

   2. A wound with a sharp-pointed weapon; as, to fall by the
      stab an assassin. --Shak.

   3. Fig.: An injury inflicted covertly or suddenly; as, a stab
      given to character.

Source : WordNet®

stab
     n 1: a sudden sharp feeling; "pangs of regret"; "she felt a stab
          of excitement"; "twinges of conscience" [syn: {pang}, {twinge}]
     2: a thrusting blow with a knife or other sharp pointed
        instrument; "one strong stab to the heart killed him"
        [syn: {thrust}, {knife thrust}]
     3: informal words for any attempt or effort; "he gave it his
        best shot"; "he took a stab at forecasting" [syn: {shot}]
     [also: {stabbing}, {stabbed}]

stab
     v 1: use a knife on; "The victim was knifed to death" [syn: {knife}]
     2: stab or pierce; "he jabbed the piece of meat with his pocket
        knife" [syn: {jab}]
     3: poke or thrust abruptly; "he jabbed his finger into her
        ribs" [syn: {jab}, {prod}, {poke}, {dig}]
     [also: {stabbing}, {stabbed}]

Source : Free On-Line Dictionary of Computing

STAB
     
         A descendent of {BCPL}.
     
        (1996-08-25)