1. An drink taken at bedtime; often alcoholic
   "He had a small whiskey as a nightcap before going to bed"
    
2. A cloth cap worn in bed
   "She put on her nightcap before settling in for the night"
    
3. The final game of a double header
   "The team won both games of the doubleheader, clinching victory in the nightcap"

Derived forms: nightcaps

Type of: cap, drink, game

Part of: double feature [N. Amer], doubleheader [N. Amer], gown, nightdress, nightgown, nightie [informal], night-robe, nighty [informal], twin bill [N. Amer]

Encyclopedia: Nightcap