Aurora borealis is also called the northern lights or polar lights.
The definition of aurora borealis is a well known light display in the Northern Hemisphere created by colliding charged particles in the atmosphere.
An example of Aurora Borealis is the light display also known as the Northern Lights.
irregular, luminous phenomena, as streamers, visible at night in a zone surrounding the north magnetic pole and produced in the ionosphere when atomic particles strike and excite atoms; northern lights
Origin of aurora borealisL, literally , northern aurora: see Aurora and amp; Boreas
nounpl. aurora bo·re·al·is·es or aurorae borealis
An aurora that occurs in northern regions of the earth. Also called northern lights.
Origin of aurora borealisNew Latin aurōra boreālis : Latin aurōra, dawn + Latin boreālis, northern.