- windowless
- window ► NOUN 1) an opening in a wall or roof, fitted with glass in a frame to let in light or air and allow people to see out. 2) an opening through which customers are served in a bank, ticket office, etc. 3) a transparent panel in an envelope to show an address. 4) Computing a framed area on a display screen for viewing information. 5) (window on/into/to) a means of observing and learning about. 6) an interval or opportunity for action.DERIVATIVES windowless adjective.ORIGIN Old Norse, from words meaning 'wind' + 'eye' .
English terms dictionary. 2015.