coronal

coronal is an Adverb

Definition:

[1] Of or pertaining to a corona (in any of the senses). The coronal light during the eclipse is faint. Abney.

[2] Of or pertaining to a king`s crown, or coronation. The law and his coronal oath require his undeniable assent to what laws the Parliament agree upon. Milton.

[3] Of or pertaining to the top of the head or skull.

[4] Of or pertaining to the shell of a sea urchin. Coronal suture (Anat.), a suture extending across the skull between the parietal and frontal bones; the frontoparietal suture.