Meaning of SEAT in English
1》 a thing made or used for sitting on, such as a chair or stool.
↘the roughly horizontal part of a chair.
↘a sitting place for a passenger in a vehicle or for a member of an audience.
2》 a person's buttocks.
↘a manner of sitting on a horse.
3》 a place in an elected parliament or council.
↘ Brit. a parliamentary constituency.
4》 a site or location.
↘(also country ~ ) Brit. a large country house and estate belonging to an aristocratic family.
5》 a part of a machine that supports or guides another participle
1》 arrange for (someone) to sit somewhere.
↘( ~ oneself or be ~ed ) sit down.
↘(of a building or vehicle) have sufficient ~s for.
2》 fit in position.
ME (asnoun): from ON sæti , from the Gmc base of sit .
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004