corona (n.)
- androecium
- annulus
- anther
- areola
- aura
- aureole
- belvedere
- calyx
- carpel
- chandelier
- chaplet
- cheroot
- chromosphere
- cigar
- cigarillo
- circle
- circlet
- circuit
- circumference
- circus
- colorado
- corolla
- coronet
- crown
- cycle
- daystar
- diadem
- discus
- disk
- epicalyx
- garland
- glory
- gynoecium
- halo
- lasso
- loop
- luster
- megasporophyll
- microsporophyll
- nimbus
- noose
- orbit
- parhelion
- perianth
- petal
- photosphere
- pistil
- radius
- rainbow
- receptacle
- ring
- rope
- round
- roundel
- saucer
- sphincter
- stamen
- stigma
- stinker
- stogie
- style
- sun
- torus
- wheel
- wreath
