Meanings

Manchu-Han Imperial Feast

remaining seats (on plane, bus, etc.)

seating allocation (conference, banquet, etc.)

saving a seat (e.g. by leaving something on it)

seating chart

impromptu

(seat at) the head of the table

front seat

back seat

entertainment hall (for rakugo, manzai, magic, music, etc.)

first class seat (on a JR train)

seat allocation

back seat (of a car)

situation where alcohol is being served

unoccupied seat

student number (for seating, etc. in class)

being seated before the school bell rings

after age 7, boys and girls should be kept apart

to hold a small dinner party

ringside seat