noun
senior envoy; chief delegate
Formal term for the highest-ranking envoy or head of a diplomatic mission, often used in historical or official contexts.
江戸時代、朝鮮通信使の正使は高い教養を持つ者が選ばれた。
In the Edo period, the senior envoy of the Korean mission was chosen from among highly cultured individuals.
彼は国際会議に日本政府の正使として派遣された。
He was dispatched to the international conference as the chief delegate of the Japanese government.