widow's peak

widows-peak的词性：
n.（名词）

1. A V-shaped point formed by the hair at the middle of the human forehead.
额前发尖，美人尖：人的前额中间由头发形成的“V”字形

widows-peak的词源：

2. [From the superstition that it is a sign of early widowhood]
[因迷信这是早寡的预示而来]