sagittal

adjective

1. Anatomy.
   1. of or relating to the suture between the parietal bones at the roof of the skull or to a venous canal within the skull and parallel to this suture.
   2. (in direction or location) from front to back in the median plane or in a plane parallel to the median.
2. pertaining to or resembling an arrow or arrowhead.

adjective

1. resembling an arrow; straight
2. of or relating to the sagittal suture
3. situated in a plane parallel to the sagittal suture

adj.“shaped like or resembling an arrow,” 1540s, from Modern Latin sagittalis, from Latin sagitta “arrow” (see Sagittarius). adj.

1. Of or relating to the suture uniting the two parietal bones of the skull.
2. Of or relating to the sagittal plane.