sagittal

adjective3

1. •
   Of or relating to an arrow; resembling an arrow; furnished with an arrowlike appendage.
2. •
   Of or in a plane parallel to the median plane, especially that dividing the body into left and right halves.
3. •
   Relating to or denoting the suture on top of the skull which runs between the parietal bones in a front to back direction.