Stammer

[imp. & p. p. STAMMERED; p. pr. & vb. n. STAMMERING.] [L. Ger. stammern, D. stameren, stamelen, N. H. Ger. stammeln, O. H. Ger. stammalôn, stammen, Dan. stamme, Sw. stamma, Icel. stama, A-S. stommettan, to stammer; A-S. stamor, stamur, stamer, one who stammers, Icel. stamr, O. H. Ger. stamel, O. Sax., Dan., & O. H. Ger. stam, stamm, Goth. stamms.] To stop in uttering syllables or words; to hesitate or falter in speaking; and hence, to speak with stops and difficulty; to stutter.

n. Defective utterance, or involuntary interruption of utterance; inability to pronounce certain words or syllables; a stutter.