Forelock

forelock n 1 piece of hair growing (and falling) over the forehead 额发. 2 (idm 习语) touch, tug, etc one's `forelock (formerly) raise a hand to one's forehead when meeting sb of higher social rank, usu as a sign of respect （旧时）（与地位高的人相见时）将一只手举至额头（通常指致敬）.