(baseball) the act of hitting a baseball or softball lightly by holding the bat in a stationary position rather than swinging it to strike, thrust or shove against He butted his sister out of the way The goat butted the hiker with his horns hit a ball in such a way so as to make it go a short distance fungus that destroys kernels of wheat by replacing them with greasy masses of smelly spores similar to Tilletia caries disease of wheat characterized by replacement of the grains with greasy masses of smelly smut spores