Wiktionary
white hats
n. (white hat English)
Usage examples of "white hats".
I saw at least a dozen Audry's-like places along the road, and this town had three guys in white hats and shovels cleaning up after the hundreds of horses.
He held the head up, to show to Gregg, to show to the herd of frightened sheep in white hats who trampled one another in their frenzy to flee him.
When they got to it, an MP had pulled in behind it, and two MPs in white hats and and army green uniforms were standing in front of the on a clipboard.