ˈsēd.ə(r), -ētə- noun
( -s )
1.
a. : one that puts in seats
a chair seater
b. : a tool or implement for adjusting or fitting something (as a valve) into its seat
2. archaic : one (as an usher) who apportions seats or assigns persons to seats
3. : something (as a vehicle) provided with seats especially of a specified number — usually used in combination
toured the countryside in a four- seater