from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The sun as seen at midnight during the summer within the Arctic and Antarctic regions.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The phenomenon occurring when the Sun does not set, but only approaches the horizon, at midnight; occurs near the summer solstice in the polar regions.
from the GNU version of the Collaborative International Dictionary of English
- The sun shining at midnight in the arctic or antarctic summer.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the sun visible at midnight (inside the Arctic or Antarctic Circles)
Sorry, no etymologies found.