We found 15 dictionaries that define the word chatroom:

General (11 matching dictionaries)

1. chatroom: American Heritage Dictionary of the English Language
2. chatroom: Collins English Dictionary
3. chatroom: Vocabulary.com
4. Chatroom, chatroom: Wordnik
5. chatroom: Wiktionary
6. chatroom: Dictionary.com
7. Chatroom (film), Chatroom: Wikipedia, the Free Encyclopedia
8. chatroom: Rhymezone
9. chatroom: FreeDictionary.org
10. chatroom: Mnemonic Dictionary
11. chatroom: TheFreeDictionary.com

Art (1 matching dictionary)

12. Chatroom: Neuage Online Discourse Analysis Theory

Computing (1 matching dictionary)

13. chatroom: Encyclopedia

Medicine (1 matching dictionary)

14. chatroom: Medical dictionary

Slang (1 matching dictionary)

15. chatroom[orgasam]: Urban Dictionary

(Note: See chatrooms as well.)

Definitions from Wiktionary (Chatroom) ▸ noun:  Alternative spelling of chat room [(Internet) Part of a website or other network where visitors can converse in typed messages.] Similar: chat-room, chat room, chat, web chat, chatbox, chatspace, chat site, room, cyberchat, chatter, more... Types: internet forum, discussion board, message board, bulletin board, more... Phrases: internet chatroom, more... Adjectives: online, private, internet, own, virtual, same, public ▸ Words similar to chatroom ▸ Usage examples for chatroom ▸ Idioms related to chatroom ▸ Wikipedia articles (New!) ▸ Popular adjectives describing chatroom ▸ Words that often appear near chatroom ▸ Rhymes of chatroom ▸ Invented words related to chatroom