The Collaborative International Dictionary of English v.0.48:

Bunt \Bunt\ (b[u^]nt), n. (Bot.)
   A fungus (Ustilago f[oe]tida) which affects the ear of
   cereals, filling the grains with a fetid dust; -- also called
   pepperbrand.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Bunt \Bunt\, n. [Cf. Sw. bunt bundle, Dan. bundt, G. bund, E.
   bundle.] (Naut.)
   The middle part, cavity, or belly of a sail; the part of a
   furled sail which is at the center of the yard. --Totten.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Bunt \Bunt\, n.
   A push or shove; a butt; specif. (Baseball), the act of
   bunting the ball.
   [Webster 1913 Suppl.]

The Collaborative International Dictionary of English v.0.48:

Bunt \Bunt\, v. i. (Naut.)
   To swell out; as, the sail bunts.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Bunt \Bunt\, v. t. & i.
   1. To strike or push with the horns or head; to butt; as, the
      ram bunted the boy.
      [1913 Webster]

   2. (Baseball) To bat or tap (the ball) slowly within the
      infield by meeting it with the bat without swinging at it.
      [Webster 1913 Suppl.]

WordNet (r) 3.0 (2006):

bunt
    n 1: (baseball) the act of hitting a baseball lightly without
         swinging the bat
    2: disease of wheat characterized by replacement of the grains
       with greasy masses of smelly smut spores [syn: bunt,
       stinking smut]
    3: similar to Tilletia caries [syn: bunt, stinking smut,
       Tilletia foetida]
    4: fungus that destroys kernels of wheat by replacing them with
       greasy masses of smelly spores [syn: bunt, Tilletia
       caries]
    v 1: hit a ball in such a way so as to make it go a short
         distance [syn: bunt, drag a bunt]
    2: to strike, thrust or shove against; "He butted his sister out
       of the way"; "The goat butted the hiker with his horns" [syn:
       butt, bunt]