plural halos or haloes
Definition of halo
(Entry 1 of 3)
1
: a circle of light appearing to surround the sun or moon and resulting from refraction or reflection of light by ice particles in the atmosphere
2
: something resembling a halo: such as
a
: nimbus
b
: a region of space surrounding a galaxy that is sparsely populated with luminous objects (such as globular clusters) but is believed to contain a great deal of dark matter
c
: a differentiated zone surrounding a central zone or object
d
or halo brace
: an orthopedic device used to immobilize the head and neck (as to treat fracture of neck vertebrae) that consists of a metal band placed around the head and fastened to the skull usually with metal pins and that is attached by extensions to an inflexible vest
3
: the aura of glory, veneration, or sentiment surrounding an idealized person or thing
halo
verb
haloed; haloing; haloes
Definition of halo (Entry 2 of 3)
: to form into or surround with a halo
rainbows haloed the waterfalls— Michael Crawford
halo-
combining formDefinition of halo- (Entry 3 of 3)
— see hal-
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Merriam-Webster unabridged
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Time Traveler for halo
The first known use of halo was in 1603
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