Source : Webster's Revised Unabridged Dictionary (1913)

Corner \Cor"ner\, n. (Association Football) [More fully {corner
   kick}.]
   A free kick from close to the nearest corner flag post,
   allowed to the opposite side when a player has sent the ball
   behind his own goal line.

Corner \Cor"ner\ (k?r"n?r), n. [OF. corniere, cornier, LL.
   cornerium, corneria, fr. L. cornu horn, end, point. See
   {Horn}.]
   1. The point where two converging lines meet; an angle,
      either external or internal.

   2. The space in the angle between converging lines or walls
      which meet in a point; as, the chimney corner.

   3. An edge or extremity; the part farthest from the center;
      hence, any quarter or part.

            From the four corners of the earth they come.
                                                  --Shak.

   4. A secret or secluded place; a remote or out of the way
      place; a nook.

            This thing was not done in a corner.  --Acts xxvi.
                                                  26.

   5. Direction; quarter.

            Sits the wind in that corner!         --Shak.

   6. The state of things produced by a combination of persons,
      who buy up the whole or the available part of any stock or
      species of property, which compels those who need such
      stock or property to buy of them at their own price; as, a
      corner in a railway stock. [Broker's Cant]

   {Corner stone}, the stone which lies at the corner of two
      walls, and unites them; the principal stone; especially,
      the stone which forms the corner of the foundation of an
      edifice; hence, that which is fundamental importance or
      indispensable. ``A prince who regarded uniformity of faith
      as the corner stone of his government.'' --Prescott.

   {Corner tooth}, one of the four teeth which come in a horse's
      mouth at the age of four years and a half, one on each
      side of the upper and of the lower jaw, between the middle
      teeth and the tushes.

Corner \Cor"ner\, v. t. [imp. & p. p. {Cornered} (-n?rd); p. pr.
   & vb. n. {Cornering}.]
   1. To drive into a corner.

   2. To drive into a position of great difficulty or hopeless
      embarrassment; as, to corner a person in argument.

   3. To get command of (a stock, commodity, etc.), so as to be
      able to put one's own price on it; as, to corner the
      shares of a railroad stock; to corner petroleum.

Source : WordNet®

corner
     n 1: a place off to the side of an area; "he tripled to the
          rightfield corner"; "he glanced out of the corner of his
          eye"
     2: the point where two lines meet or intersect; "the corners of
        a rectangle"
     3: an interior angle formed be two meeting walls; "a piano was
        in one corner of the room" [syn: {nook}]
     4: the intersection of two streets; "standing on the corner
        watching all the girls go by" [syn: {street corner}, {turning
        point}]
     5: the point where three areas or surfaces meet or intersect;
        "the corners of a cube"
     6: a small concavity [syn: {recess}, {recession}, {niche}]
     7: a temporary monopoly on a kind of commercial trade; "a
        corner on the silver market"
     8: a predicament from which a skillful or graceful escape is
        impossible; "his lying got him into a tight corner" [syn:
        {box}]
     9: a projecting part that is corner-shaped; "he knocked off the
        corners"
     10: a remote area; "in many corners of the world they still
         practice slavery"
     11: (architecture) solid exterior angle of a building;
         especially one formed by a cornerstone [syn: {quoin}]

corner
     v 1: gain control over; "corner the gold market"
     2: force a person or an animal into a position from which he
        cannot escape
     3: turn a corner; "the car corners"