Definition from Wiktionary, the free dictionary
whiteout (plural whiteouts)
- a heavy snowstorm; a blizzard
- a weather condition, in which visibility and contrast are severely reduced by snow or sand causing the horizon and physical features of the terrain to disappear
- correction fluid, from the brand name Wite-Out
- (sports, slang) A sporting event where all in attendance are urged to wear white apparel.
correction fluid — see correction fluid