one in a stack of (initially transparent) drawing surfaces that comprise an image; used to keep elements of an image separate so that they can be modified independently from one another.
One of the items in a hierarchy.
A person who lays anything, such as tiles or a wager.
A (usually) horizontal deposit; a stratum.
A shoot of a plant, laid underground for growth.
An item of clothing worn under or over another.
A single thickness of some material covering a surface.
A mature female bird, insect, etc. that is able to lay eggs.
A hen kept to lay eggs.
To arrange in layers.
To cut or divide into layers.
The art and technology of producing images on photosensitive surfaces, and its digital counterpart.
The occupation of taking (and often printing) photographs.