http://www.ehow.com/how_5465929_define-chat-rooms.html

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http://searchsoa.techtarget.com/sDefinition/0,,sid26_gci541370,00.html

http://www.web-friend.com/rooms/chattalk.html

http://www.yourdictionary.com/chat-room

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http://www.pcmag.com/encyclopedia_term/0,2542,t=chat+room&i=39614,00.asp

http://www.wordiq.com/definition/Chat_room

http://www.webopedia.com/chat_room.html

http://www.merriam-webster.com/dictionary/chat%20room