D defs.my
Entry 2 senses Webster, 1913

Sagittal

/săʹjĭtəl/ · Sag·it·tal · IPA /ˈsæd͡ʒ.ə.təl/
01 a. Of or pertaining to an arrow; resembling an arrow; furnished with an arrowlike appendage.
  1. 1.
    Of or pertaining to an arrow; resembling an arrow; furnished with an arrowlike appendage.
  2. 2.
    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.(Anat.)
Phrases & compounds
Sagittal suture — the suture between the two parietal bones in the top of the skull; -- called also rabdoidal suture, and interparietal suture.