also: とのかた
noun
Honorific term used mainly by women to refer to men politely. Often used in formal or service contexts, such as addressing male customers or guests.
殿方用の化粧品も取り扱っております。
We also carry cosmetics for gentlemen.
殿方のご来店をお待ちしております。
We look forward to gentlemen visiting our store.
noun
men's (sign on toilet, bathroom, etc. doors)
Used on signs to indicate men's facilities, often as 殿方用. Polite and somewhat old-fashioned; 男性用 is more common in modern signage.
お手洗いはあちらです。殿方用は右側でございます。
The restroom is over there. The men's is on the right.
Compound of 殿 (との, 'lord') + 方 (かた, 'person', honorific plural suffix). Originally referred to lords or noblemen, later generalized as a polite term for men.