発はっ信しん局きょくはっしんきょくMeanings1nounsending office; transmitting stationRefers to an office or station that sends out communications, such as a post office branch handling outgoing mail or a radio transmitting station.この郵ゆう便びん物ぶつは中ちゅう央おう発はっ信しん局きょくから送おくられました。