n.
Pronunciation: ' mem- ˌ br ā n
Function: noun
Etymology: Middle English, from Latin membrana skin, parchment, from membrum
Date: 15th century
1 : a thin soft pliable sheet or layer especially of animal or plant origin
2 : a piece of parchment forming part of a roll
– mem · braned \ ' mem- ˌ br ā nd \ adjective