D defs.my
Entry 2 senses Webster, 1913

Unseat

/ən-sēt'/ · Un·seat · IPA /ˌʌnˈsit/
01 v. t. To throw from one's seat; to deprive of a seat.
  1. 1.
    To throw from one's seat; to deprive of a seat.
  2. 2.
    Specifically, to deprive of the right to sit in a legislative body, as for fraud in election.