Main Entry: mem·brane

Pronunciation: \ˈmem-ˌbrān\

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 \ˈmem-ˌbrānd\ adjective