A relay or hook-up: forwarding signals, goods, people, etc., from one point to another; also the equipment or relay point used for this.
選手たちは中継地点でバトンを渡した。
The athletes passed the baton at the relay point.
携帯電話の電波は中継局で中継される。
Mobile phone signals are relayed at relay stations.
国際会議の音声は複数のサーバーを経由して中継された。
The audio of the international conference was relayed through multiple servers.
Short for relay broadcasting: a live broadcast relayed from a venue or another station (TV/radio).
サッカーの試合を全国で中継する予定だ。
They plan to broadcast the soccer match nationwide.
中継中に通信障害が起きて映像が途切れた。
A communication failure occurred during the relay broadcast and the video was interrupted.
そのイベントは生中継で放送された。
The event was broadcast live.