expression, godan verb (-su)
leave one's seat; withdraw from someone's presence; leave the room
Polite expression used when temporarily excusing oneself from a gathering or meeting. Often used in formal or business settings.
会議中に座を外して電話に出た。
I left my seat during the meeting to take a phone call.
少し座を外
I'll excuse myself for a moment; please make yourselves comfortable.