wide area network; WAN
Computing term for a network that spans a large geographic area, as opposed to a LAN.
本社と支社はＷＡＮで接続されている。
The head office and branch offices are connected via a WAN.
ＷＡＮの設計にはセキュリティが重要だ。
Security is important in WAN design.
Katakana-only spelling, sometimes used in less formal contexts.
Half-width Latin spelling, common in technical documents.
From English 'WAN', an acronym for 'wide area network'.