- Of or pertaining to an arrow; resembling an arrow;
furnished with an arrowlike appendage. - 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. - In the mesial plane; mesial; as, a sagittal section of an
animal.