茶ちゃ臼うすちゃうすFreq.FrequencyTop 100,000Meanings1nountea grinding mortar; hand mill for teaA traditional stone or ceramic hand mill used to grind tea leaves into matcha powder. Often associated with tea ceremony contexts.茶ちゃ臼うすで抹まっ茶ちゃを挽ひくのは時じ間かんがかかる。Grinding matcha with a tea mortar takes time.