/'pɑ:tʃmənt; `pɑrtʃmənt/
n
1 (a) [U] heavy paper-like material made from the skin of sheep or goats and used for writing on 羊皮纸.
(b) [C] piece of this material which has been written on 羊皮纸文稿.
2 [U] type of paper similar to parchment 仿羊皮纸.

n
[Date: 1200-1300; Language: Old French;Origin: parchemin, from Latin pergamena, from Greek, from Pergamenos 'of Pergamum', ancient city in Turkey]
[U]
a material used in the past for writing on, made from the skin of a sheep or a goat
[U]
thick yellow-white writing paper, sometimes used for official documents
[C]
a document written on parchment