(chiefly Britain, Australia, New Zealand) A seat in a legislature that is traditionally held by one political party because of the make-up of the local electorate.

A restraining belt attached to a vehicle seat and fastened around occupants in order to keep them in place and decelerate them smoothly rather than suddenly in an accident, mitigating the risk of injury from uncontrolled impact with injurious objects.

A small sofa for two people.

(Canada, US) A seat in the nosebleed section, usually cheaper and with a poorer view than other seats.

A seat in an aircraft which can be ejected from the cockpit and thus save the pilot's life when a crash is imminent.

mourners' bench

(idiomatic) Under pressure to perform; under scrutiny; at the center of attention.

(dated) An extra passenger seat or row of seats in an automobile, which typically folds away into a rear storage compartment. / (aviation, colloquial) A jump seat.

Any of the seats in the rear of a vehicle.

a car safety restraint designed for infants and young children.