We found 22 dictionaries that define the word lallation:

General (17 matching dictionaries)

1. lallation: Oxford Learner's Dictionaries
2. lallation: Collins English Dictionary
3. lallation: Vocabulary.com
4. lallation: Wordnik
5. lallation: Wiktionary
6. lallation: Webster's New World College Dictionary, 4th Ed.
7. lallation: Infoplease Dictionary
8. lallation: Dictionary.com
9. Lallation: Wikipedia, the Free Encyclopedia
10. Lallation: Online Plain Text English Dictionary
11. lallation: Webster's Revised Unabridged, 1913 Edition
12. lallation: Rhymezone
13. Lallation: AllWords.com Multi-Lingual Dictionary
14. lallation: FreeDictionary.org
15. lallation: The Phrontistery - A Dictionary of Obscure Words
16. lallation: Mnemonic Dictionary
17. lallation: TheFreeDictionary.com

Computing (1 matching dictionary)

18. lallation: Encyclopedia

Medicine (3 matching dictionaries)

19. lallation: Merriam-Webster Medical Dictionary
20. Dorland's Illustrated Medical Dictionary (No longer online)
21. lallation: Medical dictionary

Miscellaneous (1 matching dictionary)

22. lallation: Wordcraft Dictionary

(Note: See lallations as well.)

Definitions from Wiktionary (lallation) ▸ noun:  The incorrect pronunciation of the letter "r" so that it sounds like an "l" (or "w"). ▸ noun:  Baby-talk or gibberish. Similar: Lallwort, wharling, l-vocalization, lambdacismus, lolling, latration, larf, l-word, Elmer Fudd syndrome, laxing, more... Opposite: articulation, enunciation, pronunciation ▸ Words similar to lallation ▸ Usage examples for lallation ▸ Idioms related to lallation ▸ Wikipedia articles (New!) ▸ Popular adjectives describing lallation ▸ Words that often appear near lallation ▸ Rhymes of lallation ▸ Invented words related to lallation