Noun Definitionhalo1.Definition: a circle of light around the sun or moonCategory: General2.Definition: a toroidal shape"A ring of ships in the harbor", "A halo of smoke"Related Noun(s):annulus, doughnut, ringCategory: General3.Definition: an indication of radiant light drawn around the head of a saintRelated Noun(s):aura, aureole, gloriole, glory, nimbusCategory: General