- [uncountable, singular]
the substance left after grapes have been pressed to make wine （酿酒时将葡萄压榨后的）残渣；葡萄果渣 - [uncountable, countable]
a strong alcoholic drink made from this substance 葡萄渣酒
Word Originearly 17th cent.: from French, from marcher in the early sense ‘to trample’.