Medical Dictionary
lallation
noun lal·la·tion \la-ˈlā-shən\
Medical Definition of LALLATION
1
: infantile speech whether in infants or in older speakers (as from mental retardation)
2
: a defective articulation of the letter l, the substitution of \l\ for another sound, or the substitution of another sound for \l\—compare lambdacism 2
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