Related Clues:

• Clear rectangle
• Part of a window
• Window ___
• Piece of glass in a door
• It may be framed?
• Greenhouse glass
• Window glass section
• Plexiglass unit
• Glass plate
• Glass in a lantern
• Postage stamp purchase
• French door division
• Stained-glass unit
• It's usually easy to see through
• Glass panel