coronule

n. [ L. coronula, dim. of corona crown. ] (Bot.) A coronet or little crown of a seed; the downy tuft on seeds. See Pappus. Martyn. [ 1913 Webster ]

a. [ L. coronalis: cf. F. coronal. ] 1. Of or pertaining to a corona (in any of the senses). [ 1913 Webster ]

The coronal light during the eclipse is faint. Abney. [ 1913 Webster ]

2. Of or pertaining to a king's crown, or coronation. [ 1913 Webster ]

The law and his coronal oath require his undeniable assent to what laws the Parliament agree upon. Milton. [ 1913 Webster ]

3. Of or pertaining to the top of the head or skull. [ 1913 Webster ]

4. (Zool.) Of or pertaining to the shell of a sea urchin. [ 1913 Webster ]

Coronal suture (Anat.), a suture extending across the skull between the parietal and frontal bones; the fronto-parietal suture. [ 1913 Webster ]