A child safety seat that raises the vertical position of the user to allow a safer use of regular car seat belts.

Seats of additional members elected to supplement the members directly elected by each constituency, for ensuring that each party's share of the total seats is roughly proportional to the parties' overall shares of votes at the national level.

A legislative seat distribution, used to guarantee that a party gets their fair share of seats, when a party is entitled to fewer seats as a result of party votes than it has won constituencies. Additional seats granted to that party would be overhang seats.

The flap for defecation in a union suit.

The city in which the offices of county government are located.

(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.

(colloquial) An extra seat in an aircraft cabin or cockpit for someone other than a passenger. / (dated) A movable seat in a carriage.

(chiefly US, idiomatic) Done by feel, guess, or trial and error rather than by careful planning, thought or technique.

A small sofa for two people.

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