The Collaborative International Dictionary of English v.0.48:

Lunge \Lunge\, n. [Also spelt longe, fr. allonge. See Allonge,
   Long.]
   A sudden thrust or pass, as with a sword.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Lunge \Lunge\, v. i. [imp. & p. p. Lunged; p. pr. & vb. n.
   Lunging.]
   To make a lunge.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Lunge \Lunge\, v. t.
   To cause to go round in a ring, as a horse, while holding his
   halter. --Thackeray.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Lunge \Lunge\, n. (Zool.)
   Same as Namaycush.
   [1913 Webster]

WordNet (r) 3.0 (2006):

lunge
    n 1: the act of moving forward suddenly [syn: lurch, lunge]
    2: (fencing) an attacking thrust made with one foot forward and
       the back leg straight and with the sword arm outstretched
       forward [syn: lunge, straight thrust, passado]
    v 1: make a thrusting forward movement [syn: lunge, hurl,
         hurtle, thrust]