delilah Meaning, Definition & Usage

  1. noun (Old Testament) the Philistine mistress of Samson who betrayed him by cutting off his hair and so deprived him of his strength
  2. noun a woman who is considered to be dangerously seductive
    temptress; enchantress; femme fatale; siren.

WordNet

De*li"lah noun
Definitions
  1. The mistress of Samson, who betrayed him (Judges xvi.); hence, a harlot; a temptress.
    Other Delilahs on a smaller scale Burns met with during his Dumfries sojourn. J. C. Shairp.

Webster 1913