nightcap

from WordNet (r) 3.0 (2006)
nightcap
    n 1: an alcoholic drink taken at bedtime; often alcoholic
    2: a cloth cap worn in bed
    3: the final game of a double header
    
from The Collaborative International Dictionary of English v.0.48
Nightcap \Night"cap`\, n.
   1. A cap worn in bed to protect the head, or in undress.
      [1913 Webster]

   2. An alcoholic beverage drunk at bedtime. [Cant] --Wright.
      [1913 Webster]
    
from Moby Thesaurus II by Grady Ward, 1.0
32 Moby Thesaurus words for "nightcap":
      Mickey, Mickey Finn, anesthetic, aperitif, chaser, cocktail,
      doch-an-dorrach, drink, eye-opener, highball, hypnotic,
      knockout drops, lullaby, mandrake, mixed drink, morphia, morphine,
      opiate, opium, parting cup, poppy, pousse-cafe, punch, sedative,
      sleep-bringer, sleep-inducer, sleep-producer, somnifacient,
      soporific, stirrup cup, sundowner, wee doch-an-dorrach

    

[email protected]