an opening in the wall or roof of a building, car, etc., usually covered with glass, that allows light and air to come in and people to see out. Window cleaner · Shop window · Store window · Window seat

an opening in the wall or roof of a building, car, etc., usually covered with glass, that allows light and air to come in and people to see out.

There are 32 meanings listed in OED's entry for the noun window, four of which are labelled obsolete. See 'Meaning & use' for definitions, usage, and quotation ...

​a system developed by the US company Microsoft to operate computer programs. Each program has its own window (= area on the screen in which a particular ...

There are four meanings listed in OED's entry for the verb window. See 'Meaning & use' for definitions, usage, and quotation evidence.

window seat · ​a seat next to a window in a plane, train or other vehicleTopics Transport by airb1, Transport by bus and trainb1. Take your English to the next ...

​the glass at the front of a shop and the area behind it where goods are shown to the public. in the shop window an advertisement in the shop window.

​the glass at the front of a shop and the area behind it where goods are shown to the publicTopics Shoppinga2. Definitions on the go.

(North American English usually window washer) [countable] a person whose job is to clean windows. He works as a window cleaner.

An opening formed in a wall or roof to admit daylight through a transparent or translucent material. The most common transparent or translucent material used is ...