Source : Webster's Revised Unabridged Dictionary (1913)

Suture \Su"ture\, n. [L. sutura, fr. suere, sutum, to sew or
   stitch: cf. F. suture. See {Sew} to unite with thread.]
   1. The act of sewing; also, the line along which two things
      or parts are sewed together, or are united so as to form a
      seam, or that which resembles a seam.

   2. (Surg.)
      (a) The uniting of the parts of a wound by stitching.
      (b) The stitch by which the parts are united.

   3. (Anat.) The line of union, or seam, in an immovable
      articulation, like those between the bones of the skull;
      also, such an articulation itself; synarthrosis. See
      {Harmonic suture}, under {Harmonic}.

   4. (Bot.)
      (a) The line, or seam, formed by the union of two margins
          in any part of a plant; as, the ventral suture of a
          legume.
      (b) A line resembling a seam; as, the dorsal suture of a
          legume, which really corresponds to a midrib.

   5. (Zo["o]l.)
      (a) The line at which the elytra of a beetle meet and are
          sometimes confluent.
      (b) A seam, or impressed line, as between the segments of
          a crustacean, or between the whorls of a univalve
          shell.

   {Glover's suture}, {Harmonic suture}, etc. See under
      {Glover}, {Harmonic}, etc.

Source : WordNet®

suture
     n 1: an immovable joint (especially between the bones of the
          skull) [syn: {sutura}, {fibrous joint}]
     2: a seam used in surgery [syn: {surgical seam}]
     3: thread of catgut or silk or wire used by surgeons to stitch
        tissues together
     v : join with a suture; "suture the wound after surgery"