an opening in the wall or roof of a building or vehicle that is fitted with glass or other transparent material in a frame to admit light or air and allow people to see out.
The apartments and penthouses have double-glazed redwood framed windows , fitted kitchens and gas-fired central heating.
a thing resembling a window in form or function, in particular.
an interval or opportunity for action.
February 15 to March 15 should be the final window for new offers
strips of metal foil or metal filings dispersed in the air to obstruct radar detection.