1. [ noun ] an indication of radiant light drawn around the head of a saint
Synonyms: nimbus glory gloriole aureole aura
Related terms: light
2. [ noun ] (geometry) a toroidal shape
Synonyms: ring doughnut anulus anchor_ring annulus

"a ring of ships in the harbor" "a halo of smoke"

Related terms: toroid fairy_ring surround
3. [ noun ] a circle of light around the sun or moon
Related terms: atmospheric_phenomenon solar_halo
Similar spelling:   Hal