seat

1. A place in which to sit. · There are two hundred seats in this classroom.
2. The horizontal portion of a chair or other furniture designed for sitting. · He sat on the arm of the chair rather than the seat, which always annoyed his mother.· the seat of a saddle
3. A piece of furniture made for sitting, such as a chair, stool, or bench; any improvised place for sitting. · She pulled the seat from under the table to allow him to sit down.
4. An ejection seat. (slang) · Hey, fighter boy, our radar's putting out enough energy to launch your seat from this distance!
5. The part of an object or individual (usually the buttocks) directly involved in sitting. · Instead of saying "sit down", she said "place your seat on this chair".
6. The part of a piece of clothing (usually pants or trousers) covering the buttocks. · The seat of these trousers is almost worn through.
7. A part or surface on which another part or surface rests. · The seat of the valve had become corroded.
8. A membership in an organization, particularly a representative body. (figuratively) · Our neighbor has a seat at the stock exchange and in congress.

Plural seats