Definition of crownal in US English:

crownal

noun

archaic, poetic
  • A coronet, garland, or wreath for the head; = "coronal" 2.

Origin

Late Middle English; earliest use found in John Lydgate (c1370–c1449), poet and prior of Hatfield Regis. Alteration of coronal, after crown.

Pronunciation

crownal

/ˈkraʊnl/