Noun halo has 3 senses
- aura, aureole, halo, nimbus, glory, gloriole - an indication of radiant light drawn around the head of a saint
--1 is a kind of light, lightness
- ring, halo, annulus, anulus, doughnut, anchor ring - a toroidal shape; "a ring of ships in the harbor"; "a halo of smoke"
--2 is a kind of toroid
--2 has particulars: fairy ring, fairy circle
- halo - a circle of light around the sun or moon
--3 is a kind of atmospheric phenomenon
--3 has particulars: solar halo, parhelic circle, parhelic ring
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