Corona

コロナ

korona

(luminous plasma atmosphere of the Sun or other star)

副花冠

fukukakan

(ring or set of appendages of adaxial tissue arising from the corolla or the outer edge of the stamens, present in some plants — see also paraperigonium)

雁首

karikubi

(circumference of the base of the glans penis in human males — see also corona glandis penis)