Cor"o*nal (k?r"?-nal or, esp. in science, k?-r?"nal; 277), a. [L. coronalis: cf. F. coronal.] 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. (Zoöl.) Of or pertaining to the shell of a sea urchin.

Cor"o*nal, n. 1. A crown; wreath; garland. Spenser.

2. The frontal bone, over which the ancients wore their coronæ or garlands. Hooper.

• a crown or coronet
       
• 1485: Thomas Malory, Le Morte D'Arthur (spelling modernized) - Then the glutton anon started up, and took a great club in his hand, and smote at the king that his coronal fell to the earth.
  
• a wreath or garland of flowers
  
• (obsolete) a variant of colonel
  
• relating to a crown
  
• (Astronomy:) relating to the corona of a star
  
• (Botany:) relating to the corona of a flower
  
• (Linguistics:) relating to a sound made with the tip or blade of the tongue
       
• see Wikipedia article on coronal consonant
  
• (Anatomy:) a "coronal plane" or a "coronal section" divides a body into dorsal (back) and ventral (front)
       
• see Wikipedia article on anatomical terms of location