\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.