We found 16 dictionaries that define the word twittering:

General (13 matching dictionaries)

1. twittering: Merriam-Webster
2. twittering: Collins English Dictionary
3. twittering: Vocabulary.com
4. Twittering, twittering: Wordnik
5. twittering: Cambridge Advanced Learner's Dictionary
6. Twittering, twittering: Wiktionary
7. twittering: Dictionary.com
8. Twittering: Online Plain Text English Dictionary
9. twittering: Webster's Revised Unabridged, 1913 Edition
10. Twittering: AllWords.com Multi-Lingual Dictionary
11. twittering: Webster's 1828 Dictionary
12. twittering: FreeDictionary.org
13. Twittering: TheFreeDictionary.com

Computing (1 matching dictionary)

14. twittering: Encyclopedia

Medicine (1 matching dictionary)

15. online medical dictionary (No longer online)

Slang (1 matching dictionary)

16. twittering: Urban Dictionary

(Note: See twitter as well.)

Definitions from Wiktionary (twittering) ▸ noun:  The act of producing chirping sounds, or twitters. Similar: chirrup, chitter, tweeting, twitting, chirping, tweeter, tweep, fritinancy, tittering, chattering, more... Phrases: Twittering Birds Never Fly, Twittering Machine, twittering bird, more... Adjectives: soft, faint, shrill, constant, low, incessant, cheerful, great, gentle, sleepy, little ▸ Words similar to twittering ▸ Usage examples for twittering ▸ Idioms related to twittering ▸ Wikipedia articles (New!) ▸ Popular adjectives describing twittering ▸ Words that often appear near twittering ▸ Rhymes of twittering ▸ Invented words related to twittering