A single thickness of material covering a surface, or an item of clothing worn under or over another.

A (usually) horizontal deposit; a stratum.

One of the items in a hierarchy.

(computer graphics, by analogy to a stack of transparencies) 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.

A person who lays anything, such as tiles or a wager.

A mature female bird, insect, etc. that is able to lay eggs.

A hen kept to lay eggs.

A shoot of a plant, laid underground for growth.

(transitive, intransitive) To cut or divide into layers.

(transitive, intransitive) To arrange in layers.