WordNet (r) 3.0 (2006):
wide area network n 1: a computer network that spans a wider area than does a local area network [syn: wide area network, WAN]The Free On-line Dictionary of Computing (30 December 2018):
Wide Area Network WAN(WAN) A network, usually constructed with serial lines, extending over distances greater than one kilometre. Compare local area network, metropolitan area network. (1994-11-24)