1. (n.) A thin skin or film.

2. (n.) A thin film formed on the surface of an evaporating solution.

allantoic membrane amnion amniotic sac arachnoid membrane basement membrane coat coating collop conjuctiva covering cut deal disk eardrum enamel facing feuille film flap foil fold fur hymen lacquer lamella lamina laminated glass laminated wood lap leaf maidenhead membrana serosa membrana tympana membrane meninges meninx neurilemma paint pane panel patina peel pericardium perineurium plait plank plate plating pleura ply plywood rasher revetment safety glass scale scum serosa sheet skin slab slat slice table tablet tympanic membrane tympanum varnish velum veneer wafer