plural papyri /pəˈpaɪri/ or papyruses plural papyri /pəˈpaɪri/ or papyruses Learner's definition of PAPYRUS
1
[noncount] : a tall plant that is like grass and that grows in marshes especially in Egypt纸莎草
2
a [noncount] : paper made from papyrus that was used in ancient times（古时用的）纸莎草纸 b [count] : a piece of paper made from papyrus that has writing on it（写在纸莎草纸上的）古文稿