[ad. L. lambdacismus, labdacismus, a. Gr. λα(μ)βδακισμός, f. λά(μ)βδα LAMBDA.]
1. A too frequent repetition of the letter l in speaking or writing.
1658. Phillips, Labdacisme, Lambdacisme.
1676. Coles, Lambdacism.
1753. Chambers, Cycl. Supp., Labdacism, Λαβδακισμός, in rhetoric, the too frequent repetition of the letter L.
2. A faulty pronunciation of the letter r, making it sound like l; lallation.
1864. R. F. Burton, Dahome, I. 158. Allada is called by older authors Ardrah, another instance of lambdacism, confusing the L and the R.
