チョッキちょっきCommon wordFreq.FrequencyTop 100,000Meanings1nounwaistcoat; vestdated termDated term for a sleeveless garment worn over a shirt, similar to a waistcoat or vest. Modern Japanese more commonly uses ベスト.See also: ベスト祖そ父ふは昔むかし、スーツの下したにチョッキを着きていた。My grandfather used to wear a waistcoat under his suit.