lambdacism, n. [L. lambdacismus, Gr. , fr. la`mbda the letter lambda (
A fault in speaking or in composition, which consists in too frequent use of the letter l, or in doubling it erroneously. [1913 Webster]
A defect in pronunciation of the letter l when doubled, which consists in giving it a sound as if followed by y, similar to that of the letters lli in billion. [1913 Webster]
The use of the sound of l for that of r in pronunciation; lallation; as, Amelican for American. [1913 Webster]