a long depression in the surface of the land that usually contains a river
make undecipherable or imperceptible by obscuring or concealing
a vestment worn by a priest at High Mass in the Roman Catholic Church; a silk shawl
the inner membrane of embryos in higher vertebrates (especially when covering the head at birth)
a garment that covers the head and face
a membranous covering attached to the immature fruiting body of certain mushrooms
to obscure, or conceal with or as if with a veil
