plural halos or haloes
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
haloed; haloing; haloes
: to form into or surround with a halo
rainbows haloed the waterfalls—
Michael Crawford
Michael Crawford
see hal-
Synonyms
Examples of halo in a Sentence
Noun
the halo of unimpeachable honesty in which the politician had long basked
a naturalistic depiction of Saint Peter that shows him as a humble fisherman and without the traditional halo
Recent Examples on the Web
Nicole Hoey, Robb Report, 25 Oct. 2024
Unapologetically optimistic, Elam also surrounds the heads with keys to suggest halos or auras.
—Aaron X. Smith, The Conversation, 27 Sep. 2024
Kathleen Ann Goonan, Discover Magazine, 10 Oct. 2012
The larger ones are steeply mountainous, volcanic, rising to almost 6,000 feet, their summits haloed in clouds.
—Stanley Stewart, Condé Nast Traveler, 22 May 2020
See all Example Sentences for halo 
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Noun
Of course, the sight during the day is spectacular, but take a pit-stop at your room before dinner to see the real star of the show: the sun setting over the Tetons, illuminated the mountain range in a golden halo and turning the sky a lovely shade of lavender.
—Nicole Hoey, Robb Report, 25 Oct. 2024
Unapologetically optimistic, Elam also surrounds the heads with keys to suggest halos or auras.
—Aaron X. Smith, The Conversation, 27 Sep. 2024
Verb
White dreads halo his dark, handsome face.
—Kathleen Ann Goonan, Discover Magazine, 10 Oct. 2012
The larger ones are steeply mountainous, volcanic, rising to almost 6,000 feet, their summits haloed in clouds.
—Stanley Stewart, Condé Nast Traveler, 22 May 2020
See all Example Sentences for halo
Articles Related to halo
Dictionary Entries Near halo
Cite this Entry
“Halo.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/halo. Accessed 25 Nov. 2024.
Copy CitationMedical Definition
halo
noun
ha·lo
ˈhā-(ˌ)lō 
plural halos or haloes
1
: a circle of light appearing to surround a luminous body
especially
: one seen as the result of the presence of glaucoma
2
: a differentiated zone surrounding a central object
the halo around a boil
3
: the aura of glory, veneration, or sentiment surrounding an idealized person or thing
4
: 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
called also halo brace
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