What does aurora borealis mean?

aurora borealis meaning in Etymology Dictionary

1620s, "north Lights," literally "northern dawn," believed to have-been coined by French philosopher Petrus Gassendus (1592-1655) after a magnificent show seen in France Sept. 2, 1621; see aurora + boreal. In northern Scotland and among sailors, occasionally known as the dancers or the merry performers.

aurora borealis meaning in General Dictionary

the aurora of the north hemisphere