They are generally just called "seats".
A dentist's chair, bleachers, an airplane, a waiting room.
airplane,football game
450 seats
Aircraft have seats from 1 to 853
depends on the airplane and the carrier and the distance
carrots
ball park dentist office public transit courtroom airplane jail football stadium Bleachers Waiting room Airplane
Food Crowded Turbulence Small Seats Sickness/Nausea Scared
There are a total of 117 seats on the Boeing 717
The bulkhead row is the rearmost row of seats in the airplane. It is thought by some to be statistically safer in case of a crash than other seats.
There is a miniature rocket under the seats and a parachute.
Boeing 777