—seat /siːt/
noun (POSITION)
C2 [C] an official position as a politician or member of a group of people who control something:
» She has a seat on the board of directors.» He is expected to lose his seat on the council in next month's elections.» She won her seat in Parliament in 1979.» He has a very safe seat (= a position that is very unlikely to be lost in an election).Thesaurus+: ↑Position and status in groups and organizationsF0 [C] INDIAN ENGLISH the place in an office where a particular person sits:
» I'm sorry - he's not in his seat right now.F0 [C] INDIAN ENGLISH a place on a course to study something:
» On receipt of the tuition fees, the college will issue a letter confirming your seat on the course.noun [C usually singular] (BOTTOM PART)
► F0 the part of a piece of furniture or clothing on which a person sits: » I've spilled some coffee on the seat of the armchair.» The seat of those trousers looks rather tight, Sir. Would you like to try a larger size?Thesaurus+: ↑Furniture and fittings - general wordsThesaurus+: ↑Parts of clothesnoun [C] (BASE)
► F0 a place that acts as a base or centre for an important activity: » The seat of government in the US is in Washington, DC.» St Petersburg was the seat of the Russian Revolution.Thesaurus+: ↑Places and locations , ↑Unpleasant placesnoun [C] (FURNITURE)
► A2 a piece of furniture or part of a train, plane, etc. that has been designed for someone to sit on: » Chairs, sofas and benches are different types of seat.» Please have/take a seat (= sit down).» A car usually has a driver's seat, a front/passenger seat and back/rear seats.» My ticket says 22D but there's already someone in (= sitting on) that seat.» Is this seat free/taken (= is anyone using it)?» Would you keep (= stop anyone else from sitting in) my seat (for me) while I go to the buffet car?» FORMAL Please keep your seats (= stay sitting down) until asked to leave.» Could I book/reserve two seats (= arrange for them to be officially kept for me) for tomorrow evening's performance?See picture: driver's seat 
Thesaurus+: ↑Chairs and seatsWord Builder:–Nouns: seat, seating–Adjectives: seated–Verbs: seat, unseat
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Extra Examples:» Did I take your seat? Do excuse me.» If you'd like to take a seat, Mr Chang will be with you in a moment.» The back seat of the car folds down.» He leaned back in his seat with a sigh.» Please remain in your seat until the plane comes to a complete stop.verb ↑Verb Endings for seat
F0 [T + adv/prep] to arrange for someone to have a particular seat:
» The waiter greeted me with a big smile and seated us by the window.Thesaurus+: ↑Sitting and standingseat yourself [usually + adv/prep]F0 to sit somewhere:
» "I'm so glad to see you!" she said, seating herself between Eleanor and Marianne.Thesaurus+: ↑Sitting and standingC2 [T not continuous] (of a building, room, table, or vehicle) to have enough seats for the stated number of people:
» The new concert hall seats 1,500 people.Thesaurus+: ↑Accommodating peopleWord Builder:–Nouns: seat, seating–Adjectives: seated–Verbs: seat, unseat