from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The transmission of an electronic message over a computer network using software that immediately displays the message in a window on the screen of the recipient.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A form of realtime communication where two or more people exchange text messages, usually short, using computers or other devices with communications capabilities.
Sorry, no etymologies found.