Stuttering

Webster's Dictionary of the English Language

·adj Apt to stutter; hesitating; stammering.

II. Stuttering ·p.pr. & ·vb.n. of Stutter.

III. Stuttering ·noun The act of one who stutters;

— restricted by some physiologists to defective speech due to inability to form the proper sounds, the breathing being normal, as distinguished from stammering.