noun
one's habitual seat; regular seat
Refers to a seat that a person habitually uses, such as in a classroom, office, or theater. Also used for a designated seat in a regular venue.
彼はいつも図書館の同じ定席に座っている。
He always sits in his usual spot in the library.
noun
regular hall; entertainment hall
A hall or theater where a particular performer or group regularly performs, or a venue known for a specific type of entertainment. Often used in the context of traditional Japanese performing arts like rakugo or kabuki.
その落語家は浅草の定席で毎月公演を行っている。
That rakugo storyteller performs every month at the regular hall in Asakusa.
Compound of 定 (じょう, 'fixed, regular') and 席 (せき, 'seat'). The meaning 'regular hall' likely developed from the idea of a fixed venue for performances.