Cŏr'o-nal1, a.
(Synop., § 130), a. [Lat. coronalis, Fr. coronal.]
Sense 1. Pertaining to the kingly crown, or to coronation.
The law and his coronal oath require his undeniable assent to what laws the Parliament agree upon. Milton.
Sense 2. Belonging to the crown or top of the head.
Coronal suture (Anat.), a suture of the head extending from one temporal bone to the other, over the crown of the head, and uniting the parietal bones to the frontal.