Source : Webster's Revised Unabridged Dictionary (1913)

Sit \Sit\,
   obs. 3d pers. sing. pres. of {Sit}, for sitteth.

Sit \Sit\, v. i. [imp. {Sat}({Sate}, archaic); p. p. {Sat}
   ({Sitten}, obs.); p. pr. & vb. n. {Sitting}.] [OE. sitten,
   AS. sittan; akin to OS. sittian, OFries. sitta, D. zitten, G.
   sitzen, OHG. sizzen, Icel. sitja, SW. sitta, Dan. sidde,
   Goth. sitan, Russ. sidiete, L. sedere, Gr. ???, Skr. sad.
   [root]154. Cf. {Assess},{Assize}, {Cathedral}, {Chair},
   {Dissident}, {Excise}, {Insidious}, {Possess}, {Reside},
   {Sanhedrim}, {Seance}, {Seat}, n., {Sedate}, {4th Sell},
   {Siege}, {Session}, {Set}, v. t., {Sizar}, {Size},
   {Subsidy}.]
   1. To rest upon the haunches, or the lower extremity of the
      trunk of the body; -- said of human beings, and sometimes
      of other animals; as, to sit on a sofa, on a chair, or on
      the ground.

            And he came and took the book put of the right hand
            of him that sate upon the seat.       --Bible (1551)
                                                  (Rev. v. 7.)

            I pray you, jest, sir, as you sit at dinner. --Shak.

   2. To perch; to rest with the feet drawn up, as birds do on a
      branch, pole, etc.

   3. To remain in a state of repose; to rest; to abide; to rest
      in any position or condition.

            And Moses said to . . . the children of Reuben,
            Shall your brothren go to war, and shall ye sit
            here?                                 --Num. xxxii.
                                                  6.

            Like a demigod here sit I in the sky. --Shak.

   4. To lie, rest, or bear; to press or weigh; -- with on; as,
      a weight or burden sits lightly upon him.

            The calamity sits heavy on us.        --Jer. Taylor.

   5. To be adjusted; to fit; as, a coat sts well or ill.

            This new and gorgeous garment, majesty, Sits not so
            easy on me as you think.              --Shak.

   6. To suit one well or ill, as an act; to become; to befit;
      -- used impersonally. [Obs.] --Chaucer.

   7. To cover and warm eggs for hatching, as a fowl; to brood;
      to incubate.

            As the partridge sitteth on eggs, and hatcheth them
            not.                                  --Jer. xvii.
                                                  11.

   8. To have position, as at the point blown from; to hold a
      relative position; to have direction.

            Like a good miller that knows how to grind, which
            way soever the wind sits.             --Selden.

            Sits the wind in that quarter?        --Sir W.
                                                  Scott.

   9. To occupy a place or seat as a member of an official body;
      as, to sit in Congress.

   10. To hold a session; to be in session for official
       business; -- said of legislative assemblies, courts,
       etc.; as, the court sits in January; the aldermen sit
       to-night.

   11. To take a position for the purpose of having some
       artistic representation of one's self made, as a picture
       or a bust; as, to sit to a painter.

Sit \Sit\, v. t.
   1. To sit upon; to keep one's seat upon; as, he sits a horse
      well.

            Hardly the muse can sit the headstrong horse.
                                                  --Prior.

   2. To cause to be seated or in a sitting posture; to furnish
      a seat to; -- used reflexively.

            They sat them down to weep.           --Milton.

            Sit you down, father; rest you.       --Shak.

   3. To suit (well or ill); to become. [Obs. or R.]

Source : WordNet®

sit
     v 1: be seated [syn: {sit down}] [ant: {stand}, {lie}]
     2: sit around, often unused; "The object sat in the corner"
     3: take a seat [syn: {sit down}] [ant: {arise}]
     4: be in session; "When does the court of law sit?"
     5: assume a posture as for artistic purposes; "We don't know
        the woman who posed for Leonardo so often" [syn: {model},
        {pose}, {posture}]
     6: sit and travel on the back of animal, usually while
        controlling its motions; "She never sat a horse!"; "Did
        you ever ride a camel?"; "The girl liked to drive the
        young mare" [syn: {ride}]
     7: work or act as a baby-sitter; "I cannot baby-sit tonight; I
        have too much homework to do" [syn: {baby-sit}]
     8: show to a seat; assign a seat for; "The host seated me next
        to Mrs. Smith" [syn: {seat}, {sit down}]
     [also: {sitting}, {sat}]

Source : Free On-Line Dictionary of Computing

sit
     
        {Stuffit}