席

to lose a seat (in an election)

first class seat (on a JR train); seat in the first class compartment

reserved-seat ticket

Sumo

ringside seat

stand-by (on an airplane)

(make) a long talk (discourse, lecture)

chief judge

Baseball

regulation at batting

convenience food; instant food

to unseat someone (in an election); to defeat a sitting member

absence permission slip; authorized absence form

chief of staff (of US president)

chief of staff (esp. of US president)

sofa seating (e.g. in a restaurant)

doyen of the diplomatic corps

chief delegate

(cockpit) voice recorder

rumble seat

assistant section or department manager

special seats and standing-only space in the galley for people who only intend to see one act of a kabuki play

authorized absence; permission of absence from class(es)

chief justice of the Court of Final Appeal of Hong Kong

standing room only; SRO

seat reservation; seat selection