Definition of widow's peak in English:

widow's peak

noun

  • A V-shaped growth of hair towards the centre of the forehead.

    ‘a judge with a grey thatch combed back from a diving widow's peak’
    • ‘I've a steadily increasing widow's peak and I wear my hair exceeding short.’
    • ‘She had a high forehead and a widow's peak where her hair started out dark, then gradually lightened.’
    • ‘Beneath the widow's peak of dyed blond hair, his face, as faces do, is beginning to pucker and billow.’
    • ‘He has a pronounced widow's peak and the hair on his knuckles crawls over his wedding band.’
    • ‘He was a handsome, elegant-looking man with dark hair that formed a widow's peak and a thin moustache.’

Origin

Mid 19th century: so called because it was formerly believed to be a predictor of widowhood for a woman.