Noah Webster's Dictionary 1. (p. pr. & vb. n.) of Stammer. 2. (a.) Apt to stammer; hesitating in speech; stuttering. 3. (n.) A disturbance in the formation of sounds. It is due essentially to long-continued spasmodic contraction of the diaphragm, by which expiration is presented, and hence it may be considered as a spasmodic inspiration.

Multi-Version Concordance Stammering (3 Occurrences) Isaiah 28:11 But he will speak to this nation with stammering lips and in another language; (WEB KJV JPS DBY WBS NAS) Isaiah 32:4 The heart also of the rash shall understand knowledge, and the tongue of the stammerers shall be ready to speak plainly. (See NIV) Isaiah 33:19 Thou shalt not see a fierce people, a people of a deeper speech than thou canst perceive; of a stammering tongue, that thou canst not understand. (KJV JPS DBY WBS NAS RSV)