1. (a.) Of or pertaining to an arrow; resembling an arrow; furnished with an arrowlike appendage.

2. (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.

3. (a.) In the medial plane; medial; as, a sagittal section of an animal.