Nightcap

Webster's Dictionary of the English Language

·noun A potion of spirit drank at bedtime.

II. Nightcap ·noun A cap worn in bed to protect the head, or in undress.

Related Words

nightcap
A glass of hot toddy or gin-sling taken before going to bed at night. When a second glass is taken, ...

Dictionary of American Words And Phrases by John Russell Bartlett.