a piece of hair that grows at the front of the head and hangs down over the forehead 额发 a part of a horse’s mane that grows forwards between its ears （马的）额毛，门鬃
Idioms
touch/tug your forelock (to somebody)
- (British English, disapproving)
to show too much respect for somebody of a higher class, especially because you are anxious about what they think of you （对某人）毕恭毕敬