1912, Jack London, A Son Of The Sun, ch. 8:The front of the wind on the water was a solid, sharply defined strip of dark-coloured, wind-vexed water. In advance of this strip, like skirmishers, were flashes of windflaws.
2008, Willie Nelson, and Mike Blakely, A Tale Out of Luck: A Novel, ISBN 9781599951768, (Google preview):The smoke seemed to cover them all halfway to the house, but then it twisted away on a windflaw and lifted like a stage curtain.
