lallation noun. [la'leɪʃ(ǝ)n] M17.
[Latin lallatio(n-), from lallat- pa. ppl stem of lallare sing lullaby: see -ATION.]
1. Infantile or imperfect speech, esp. the repetition of meaningless sounds by babies; idioglossia. M17.
2. Pronunciation of what should be the phoneme [r] as if [l]. Also called lambdacism. M19.

[TahlilGaran] English Dictionary ▲