Definitions of seat:

• noun:   any support where you can sit (especially the part of a chair or bench etc. on which you sit)

  Example: "He dusted off the seat before sitting down"

• noun:   furniture that is designed for sitting on

  Example: "There were not enough seats for all the guests"

• noun:   the cloth covering for the buttocks

  Example: "The seat of his pants was worn through"

• noun:   a space reserved for sitting (as in a theater or on a train or airplane)

  Example: "He booked their seats in advance"

• noun:   a center of authority (as a city from which authority is exercised)
• noun:   the fleshy part of the human body that you sit on
• verb:   provide with seats

  Example: "Seat a concert hall"

• verb:   put a seat on a chair
• verb:   be able to seat

  Example: "The theater seats 2,000"

• verb:   show to a seat; assign a seat for

  Example: "The host seated me next to Mrs. Smith"

• verb:   place ceremoniously or formally in an office or position
• name:  A surname (very rare: popularity rank in the U.S.: #22648)