Source : Webster's Revised Unabridged Dictionary (1913)

Lunge \Lunge\, n. [Also spelt longe, fr. allonge. See {Allonge},
   {Long}.]
   A sudden thrust or pass, as with a sword.

Lunge \Lunge\, v. i. [imp. & p. p. {Lunged}; p. pr. & vb. n.
   {Lunging}.]
   To make a lunge.

Lunge \Lunge\, v. t.
   To cause to go round in a ring, as a horse, while holding his
   halter. --Thackeray.

Lunge \Lunge\, n. (Zo["o]l.)
   Same as {Namaycush}.

Source : WordNet®

lunge
     v : make a thrusting forward movement [syn: {hurl}, {hurtle}, {thrust}]

lunge
     n : the act of moving forward suddenly [syn: {lurch}]