aurora borealis


aurora bo·re·al·is

noun \-ˌbr-ē-ˈa-ləs\

Definition of AURORA BOREALIS

:  an aurora that occurs in earth's northern hemisphere —called also northern lights

Origin of AURORA BOREALIS

New Latin, literally, northern dawn
First Known Use: 1717

Rhymes with AURORA BOREALIS

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