Stutter \Stut"ter\, n. 1. The act of stuttering; a stammer. See {Stammer}, and {Stuttering}.
2. One who stutters; a stammerer. [Obs.] --Bacon.
Stutter \Stut"ter\, v. t. & i. [imp. & p. p. {Stuttered}; p. pr. & vb. n. {Stuttering}.] [Freq. of stut, OE. stoten; probably of Dutch or Low German origin; cf. D. & LG. stotteren, G. stottern, D. stooten to push, to strike; akin to G. stossen, Icel. stauta, Sw. st["o]ta, Dan. st["o]de, Goth. stautan, L. tundere, Skr. tud to thrust. Cf. {Contuse}, {Obtuse}.] To hesitate or stumble in uttering words; to speak with spasmodic repetition or pauses; to stammer.
Trembling, stuttering, calling for his confessor. --Macaulay.
For example, why does Mr. Davidson stutter while he is on the intercom?