広域LANこういきらんMeanings1nounwide area LANcomputingComputing term for a local area network that spans a wide geographical area, as opposed to a standard LAN.広こう域いきLANを構こう築ちくして、支し社しゃ間かんのデータ共きょう有ゆうを実じつ現げんした。We built a wide area LAN and enabled data sharing between branch offices.