召集 (shōshū) means “convening” | MotiTan Japanese Dictionary

More examples

緊急の召集に、議員たちはすぐ応じました。kin kyū no shō shū ni gi in ta chi wa su gu ō ji ma shi ta

The lawmakers promptly responded to the emergency call.

Describes an official act of calling people together so that a meeting, institution, or service can begin.

招集shōshū: The act of calling people together for a meeting or organized activity.

権限を持つ者が、人を呼び集めて会合や活動を始めること。ken gen o mo tsu mono ga hito o yo bi atsu me te kai gō ya katsu dō o haji me ru ko to

召集 (shōshū) combines 召 (shō, "summon") and 集 (shū, "gather"), expressing the act of summoning people to gather.

The Japanese Constitution uses 召集 (shōshū) for calling the National Diet into session, whereas 招集 (shōshū) is the broader term for calling people together.