Definition of "aurora borealis" [aurora borealis]

• An aurora that occurs in northern regions of the earth. Also called northern lights. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Celestial Three: Black wings, a veil of shifting aurora borealis color drapes her from head to shoulders, hiding her features except for the black cherry-red tendrils of hair snaking and twisting from beneath the veil; a burgundy gown clings to her curves, its corseted bodice providing a display shelf for her smooth and rounded cleavage."
• "A magnificent display of the aurora borealis followed, rolling its curtains of delicate fire across a surface of reflected brilliance."
• "Even the undulating aurora borealis at its center seemed dimmed, its colors mere ghosts of blue, purple, and green."