ナイトキャップないときゃっぷFreq.FrequencyTop 100,000Meanings1nounnightcapRefers to an alcoholic drink taken before bed, or occasionally a soft cap worn in bed. The drinking sense is more common in modern Japanese.寝ねる前まえにナイトキャップを一いっ杯ぱいいかがですか。How about a nightcap before bed?
