Definition of wallpapers:
(n) :
(uncountable) Decorative paper-like material used to cover the inner walls of buildings.
(n) :
(countable) A roll of such paper.
(n) :
(countable) A style or design of such material.
(n) :
(computing, countable, uncountable) An image or tiled pattern used as the background of a computer desktop.
(n) :
(uncountable, figurative, sometimes attributive) Anything that serves as a background or part of the surroundings.
(n) :
(television, slang) Generic footage of a building or location that may be used in the background of a related news report.