noun, noun or participle which takes 'suru'
Refers to temporarily stepping away from one's seat, often in formal or business settings. Commonly used as a suru-verb (席外する) or in the phrase 席を外す.
会議中に席外するときは、一声かけてください。
Please let us know if you need to leave your seat during the meeting.
彼は電話
He is away from his seat for a phone call.