To reveal, uncover, make visible, bring to light, introduce (to).
To submit to an active (mostly dangerous) substance like an allergen, ozone, nicotine, solvent, or to any other stress, in order to test the reaction, resistance, etc.
To make available to other parts of a program, or to other programs.
To abandon, especially an unwanted baby in the wilderness.
To subject photographic film to light thereby recording an image.
To conceal as with a veil.
To dress in, or decorate with, a veil.
A thin layer of tissue which is attached to or covers a mushroom.
A cover; disguise; a mask; a pretense.
A membrane connecting the margin of the pileus of a mushroom with the stalk; a velum.
Anything that partially obscures a clear view.
A covering for a person or thing; as, a caul (especially over the head)
The calyptra of mosses.
That which separates the living and the spirit world.
An obscuration of the clearness of the tones in pronunciation.
velum (A circular membrane round the cap of a medusa).
Something hung up or spread out to hide or protect the face, or hide an object from view; usually of gauze, crepe, or similar diaphanous material.