white lady

Short definition from Wiktionary

Noun

1. 1
   A female ghost dressed in white, who is associated with local legends of tragedy.
2. 2
   A sour cocktail made with gin or crème de menthe, triple sec or Cointreau, and a citrus juice, sometimes with an egg white.
3. 3
   Methylated spirit.
4. 4
   Cocaine.
5. 5
   Heroin.
6. 6
   Used other than figuratively or idiomatically: see white, lady.
7. 7
   Alternative letter-case form of white lady (“cocktail”).