A form of stammering in which the speech is almost unintelligible. ... Origin: G. Laleo, to chatter ... (05 Mar 2000) ... 
Type: Term Pronunciation: lal′ing Definitions: 1. A form of stammering in which the speech is almost unintelligible.
lallation, lalling 1. Unintelligible speech; such as, infantile babbling; often used more specifically to refer to substitution of 'l' for more difficult consonants; such as, 'r'. 2. Imperfect speech; especially, the repetition of meaningless sounds by babies.