高こう速そく鉄てつ道どうこうそくてつどうじ字FuriganaMeanings1nounhigh-speed rail; rapid transitRefers to railway systems designed for high-speed operation, such as the Shinkansen. Can also refer to rapid transit in urban contexts.日本にほんでは高こう速そく鉄てつ道どうが全ぜん国こくに整せい備びさ