crew cut
From Longman Dictionary of Contemporary Englishcrew cutˈcrew cut noun [countable] DCa very short hairstyle for menExamples from the Corpuscrew cut• His hair was fair and it had been curly before he'd had it given a crew cut.• Haldeman is the one with the square head and crew cut, right?• He was a stocky boy of middle height, with blue eyes, a bristling crew cut, and red cheeks.• He also had a fresh crew cut, which added to the un-real appearance of the scene.• An elderly colonel with a steel gray crew cut stood to one side, ready to intervene if the questioning got difficult.• He sported the same crew cut he wore during his playing days.