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A Wide Area Network or WAN is several connected Local Area Networks (LAN) or Metropolitan Area Networks (MANs). These networks span a large geographical area like a state or country. The networks that make up a WAN are often connected using public networks like telephone lines or fiber optic cables. The Internet is an example of a large, worldwide WAN.

Merriam-Webster Online Dictionary
WAN (noun)
- wide area network
wan (adjective)
a) suggestive of poor health - sickly pallid
b) lacking vitality - feeble
- dim faint
- languid a wan smile
wan (verb)
intransitive verb
to grow or become pale or sickly
WAN (Wikipedia)

WAN commonly means a Wide Area Network in computer networking

WAN or Wan may also refer to:

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