Meaning of lallation

lal•la•tion

Pronunciation: (la-lā'shun), [key]
— n. Phonet.
  1. a speech defect in which l is pronounced instead of r, or in which an l-sound is mispronounced. Cf. lambdacism.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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