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sundog

[suhn-dawg, -dog] /ˈsʌnˌdɔg, -ˌdɒg/
noun
1.
2.
a small or incomplete rainbow.
Origin
1625-1635
1625-35; origin uncertain
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for sun dog

sundog

/ˈsʌnˌdɒɡ/
noun
1.
another word for parhelion
2.
a small rainbow or halo near the horizon
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for sun dog

sundog

n.

"mock sun, parhelion," 1650s, of obscure origin.

Online Etymology Dictionary, © 2010 Douglas Harper
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Encyclopedia Article for sun dog

parhelion

atmospheric optical phenomenon appearing in the sky as luminous spots 22 on each side of the Sun and at the same elevation as the Sun. Usually, the edges closest to the Sun will appear reddish. Other colours are occasionally visible, but more often the outer portions of each spot appear whitish.

Learn more about parhelion with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Word Value for sun

3
5
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