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. (Zo["o]l.) 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
fronto-parietal suture.
2. The frontal bone, over which the ancients wore their
coron[ae] or garlands. --Hooper.