A person who window-shops.

(idiomatic) The browsing of shop windows without any intention of buying.

present participle of window-shop

A projecting shop window, usually with curved sides, common in the 19th century.

Alternative spelling of windowsill

A side window of a motor car that is opened and closed using electric power.

plural of window box

A windowed, street-facing compartment in which a selection of a store's merchandise is displayed.

(idiomatic, colloquial) Made obsolete; altered drastically as a result of situational change. / (idiomatic, colloquial) Gone; departed; disappeared.

(architecture) a window with strips of metal holding small pieces of glass