coronal
adjective
[ kəˈrəʊn(ə)l ]
• relating to the corona of the sun or another star.
• "coronal holes are a source of geomagnetic activity"
• relating to the crown of the head.
• of or in the coronal plane.
• "coronal imaging"
• (of a consonant) formed by raising the tip or blade of the tongue towards the hard palate.
coronal
noun
• a coronal consonant.
Origin:
late Middle English (in coronal1 (sense 2 of the adjective)): from Latin coronalis, from corona ‘crown’.
coronal
noun
• a garland or wreath for the head.
• "her eyes sparkled beneath a coronal of flowers"
Origin:
Middle English: apparently from Anglo-Norman French, from corune ‘crown, wreath’ (see crown).