halo

A glowing light that circles something, like the moon or a person's head is a halo. Painters of religious art often put a halo around the heads of angels and saints.

A halo is a symbol of holiness, represented by a circle or arc of light around the head of a saint or holy person. Any circle of light can be described as a halo, even in a non-religious context; sometimes you'll see a glowing halo of light around the moon, for example. The word halo also means "glory or majesty," a symbolic halo rather than a physical one. The Greek halos means "ring of light around the sun or moon."

Definitions of halo
1

n a circle of light around the sun or moon

Types:
parhelic circle, parhelic ring, solar halo
a luminous halo parallel to the horizon at the altitude of the sun; caused by ice crystals in the atmosphere
Type of:
atmospheric phenomenon
a physical phenomenon associated with the atmosphere

n an indication of radiant light drawn around the head of a saint

Synonyms:
aura, aureole, gloriole, glory, nimbus
Type of:
light, lightness
the visual effect of illumination on objects or scenes as created in pictures

n a toroidal shape

“a halo of smoke”
Synonyms:
anchor ring, annulus, doughnut, ring
Types:
fairy circle, fairy ring
a ring of fungi marking the periphery of the perennial underground growth of the mycelium
Type of:
toroid
the doughnut-shaped object enclosed by a torus

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