[1] : The Collaborative International Dictionary of English v.0.48

sagittal \sag"ittal\, a. l. sagitta an arrow: cf. f.
   sagittal.
   1. of or pertaining to an arrow; resembling an arrow;
      furnished with an arrowlike appendage.
      1913 webster

   2. anat.
      a of or pertaining to the sagittal suture; in the region
          of the sagittal suture; rabdoidal; as, the sagittal
          furrow, or groove, on the inner surface of the roof of
          the skull.
      b in the mesial plane; mesial; as, a sagittal section of
          an animal.
          1913 webster

   sagittal suture anat., the suture between the two
      parietal bones in the top of the skull; -- called also
      rabdoidal suture, and interparietal suture.
      1913 webster
see also:
sagittal suture rabdoidal suture interparietal suture 

[2] : WordNet (r) 2.0

sagittal suture
     n : the suture uniting the two parietal bones syn: interparietal
         suture, sutura sagittalis
see also:
interparietal suture sutura sagittalis 

Suture >> S Words
Suture, definition of term: Suture
suture_pag1.html

Sagittal >> S Words
Sagittal, definition of term: Sagittal
sagittal_pag1.html