1. adj.1 Astron. & Bot. of a corona.
2 Anat. of the crown of the head.
Phrases and idioms:
coronal bone the frontal bone of the skull. coronal plane an imaginary plane dividing the body into dorsal and ventral parts. coronal suture a transverse suture of the skull separating the frontal bone from the parietal bones.
Etymology: F coronal or L coronalis (as CORONA(1)) 2. n.1 a circlet (esp. of gold or gems) for the head.
2 a wreath or garland.
Etymology: ME, app. f. AF f. corone CROWN