Stam"mer (?), v. i. [imp. & p. p. Stammered (?); p. pr. & vb. n. Stammering.] [OE. stameren, fr. AS. stamur, stamer, stammering; akin to D. & LG. stameren to stammer, G. stammeln, OHG. stammal&?;n, stamm&?;n, Dan. stamme, Sw. stamma, Icel. stama, stamma, OHG. & Dan. stam stammering, Icel. stamr, Goth. stamms, and to G. stemmen to bear against, stumm dumb, D. stom. Cf. Stem to resist, Stumble.] To make involuntary stops in uttering syllables or words; to hesitate or falter in speaking; to speak with stops and diffivulty; to stutter.

I would thou couldst stammer, that thou mightest pour this conclead man out of thy mouth, as wine comes out of a narrow-mouthed bottle, either too much at once, or none at all.

Stam"mer (?), v. t. To utter or pronounce with hesitation or imperfectly; -- sometimes with out.

Stam"mer, n. Defective utterance, or involuntary interruption of utterance; a stutter.

Stam"mer (?), v. i. [imp. & p. p. Stammered (?); p. pr. & vb. n. Stammering.] [OE. stameren, fr. AS. stamur, stamer, stammering; akin to D. & LG. stameren to stammer, G. stammeln, OHG. stammal&?;n, stamm&?;n, Dan. stamme, Sw. stamma, Icel. stama, stamma, OHG. & Dan. stam stammering, Icel. stamr, Goth. stamms, and to G. stemmen to bear against, stumm dumb, D. stom. Cf. Stem to resist, Stumble.] To make involuntary stops in uttering syllables or words; to hesitate or falter in speaking; to speak with stops and diffivulty; to stutter.

I would thou couldst stammer, that thou mightest pour this conclead man out of thy mouth, as wine comes out of a narrow-mouthed bottle, either too much at once, or none at all.

Stam"mer (?), v. t. To utter or pronounce with hesitation or imperfectly; -- sometimes with out.

Stam"mer, n. Defective utterance, or involuntary interruption of utterance; a stutter.

Verb
• to keep repeating a particular sound involuntarily
  
  Noun
• the involuntary repetition of a sound in speech.