a V-shaped point in the hairline in the middle of the forehead
WordReference Random House Unabridged Dictionary of American English © 2025
wid′ow's peak′,
- a point formed in the hairline in the middle of the forehead.
- 1840–50
Collins Concise English Dictionary © HarperCollins Publishers::
'widow's peak' also found in these entries (note: many are not synonyms or translations):