1. (n.) The leaves of a flower generally, especially when the calyx and corolla are not readily distinguished.

2. (n.) A saclike involucre which encloses the young fruit in most hepatic mosses.

Havana O androecium annular muscle annulus anthelion anther antisun areola aura aureole belvedere box of cigars calyx carpel ceiling fixture chandelier chaplet cheroot chromosphere cigar cigar box cigar case cigar cutter cigarillo circle circlet circuit circumference circus closed circle colorado corolla corolla tube corona lucis coronet countersun crown cycle daystar diadem discus disk electrolier epicalyx eternal return fairy ring garland gasolier glory gynoecium halo humidor lasso logical circle loop looplet lunar corona lunar halo luster magic circle megasporophyll microsporophyll mock moon mock sun moon dog nimbus noose orb of day orbit paraselene parhelic circle parhelion perianth petal photosphere pistil radius rainbow receptacle ring rondelle rope round roundel saucer solar corona solar flare solar halo solar prominence solar wind sphincter stamen stigma stinker stogie style sun sun dog torus trichinopoly vicious circle wheel wreath