What is Veil?

Veil definition and meaning on Dictionary terms:

a piece of opaque or transparent material worn over the face for concealment, for protection from the elements, or to enhance the appearance.
a piece of material worn so as to fall over the head and shoulders on each side of the face, forming a part of the headdress of a nun.
the life of a nun, especially a cloistered life.
something that covers, separates, screens, or conceals: a veil of smoke; the veil of death.
a mask, disguise, or pretense: to find fault under a veil of humor.
Botany, Anatomy, Zoology. a velum.
Mycology. a membrane that covers the immature mushroom of many fungi and breaks apart as the mushroom expands, leaving distinctive remnants on the cap, stalk, or stalk base.
Scot. and North England. a caul.