A term for a feudal lord or high-ranking person; in modern times used as an honorific suffix in written address (e.g. 'Yamada-dono').
殿は家臣を集めて合戦の作戦を命じた。
The lord gathered his retainers and ordered the battle plan.
書類の宛先に『田中殿』と書かれていた。
The document was addressed to 'Tanaka-dono'.
会社間のやり取りでは、部署名や役職名の後に『殿』を付けることがある。
In communications between companies, it's sometimes customary to append 'dono' after a department or job title.
(Archaic) A mansion or palace (an older meaning, rarely used today).
城の北側に立派な殿が建っていたと伝えられる。
It is said that a splendid mansion stood on the north side of the castle.