Source : Webster's Revised Unabridged Dictionary (1913)

Seat \Seat\, n. [OE. sete, Icel. s[ae]ti; akin to Sw. s["a]te,
   Dan. s[ae]de, MHG. s[=a]ze, AS. set, setl, and E. sit.
   [root]154. See {Sit}, and cf. {Settle}, n.]
   1. The place or thing upon which one sits; hence; anything
      made to be sat in or upon, as a chair, bench, stool,
      saddle, or the like.

            And Jesus . . . overthrew the tables of the money
            changers, and the seats of them that sold doves.
                                                  --Matt. xxi.
                                                  12.

   2. The place occupied by anything, or where any person or
      thing is situated, resides, or abides; a site; an abode, a
      station; a post; a situation.

            Where thou dwellest, even where Satan's seat is.
                                                  --Rev. ii. 13.

            He that builds a fair house upon an ill seat
            committeth himself to prison.         --Bacon.

            A seat of plenty, content, and tranquillity.
                                                  --Macaulay.

   3. That part of a thing on which a person sits; as, the seat
      of a chair or saddle; the seat of a pair of pantaloons.

   4. A sitting; a right to sit; regular or appropriate place of
      sitting; as, a seat in a church; a seat for the season in
      the opera house.

   5. Posture, or way of sitting, on horseback.

            She had so good a seat and hand she might be trusted
            with any mount.                       --G. Eliot.

   6. (Mach.) A part or surface on which another part or surface
      rests; as, a valve seat.

   {Seat worm} (Zo["o]l.), the pinworm.

Seat \Seat\, v. i.
   To rest; to lie down. [Obs.] --Spenser.

Seat \Seat\, v. t. [imp. & p. p. {Seated}; p. pr. & vb. n.
   {Seating}.]
   1. To place on a seat; to cause to sit down; as, to seat
      one's self.

            The guests were no sooner seated but they entered
            into a warm debate.                   --Arbuthnot.

   2. To cause to occupy a post, site, situation, or the like;
      to station; to establish; to fix; to settle.

            Thus high . . . is King Richard seated. --Shak.

            They had seated themselves in New Guiana. --Sir W.
                                                  Raleigh.

   3. To assign a seat to, or the seats of; to give a sitting
      to; as, to seat a church, or persons in a church.

   4. To fix; to set firm.

            From their foundations, loosening to and fro, They
            plucked the seated hills.             --Milton.

   5. To settle; to plant with inhabitants; as to seat a
      country. [Obs.] --W. Stith.

   6. To put a seat or bottom in; as, to seat a chair.

Source : WordNet®

seat
     n 1: a space reserved for sitting (as in a theater or on a train
          or airplane); "he booked their seats in advance"; "he
          sat in someone else's place" [syn: {place}]
     2: the fleshy part of the human body that you sit on; "he
        deserves a good kick in the butt"; "are you going to sit
        on your fanny and do nothing?" [syn: {buttocks}, {nates},
        {arse}, {butt}, {backside}, {bum}, {buns}, {can}, {fundament},
         {hindquarters}, {hind end}, {keister}, {posterior}, {prat},
         {rear}, {rear end}, {rump}, {stern}, {tail}, {tail end},
        {tooshie}, {tush}, {bottom}, {behind}, {derriere}, {fanny},
         {ass}]
     3: furniture that is designed for sitting on; "there were not
        enough seats for all the guests"
     4: any support where you can sit (especially the part of a
        chair or bench etc. on which you sit); "he dusted off the
        seat before sitting down"
     5: a center of authority (as a city from which authority is
        exercised)
     6: the cloth covering for the buttocks; "the seat of his pants
        was worn through"

seat
     v 1: show to a seat; assign a seat for; "The host seated me next
          to Mrs. Smith" [syn: {sit}, {sit down}]
     2: be able to seat; "The theater seats 2,000"
     3: place ceremoniously or formally in an office or position;
        "there was a ceremony to induct the president of the
        Academy" [syn: {induct}, {invest}]
     4: put a seat on a chair
     5: provide with seats; "seat a concert hall"