The crossword solution for the term 'YOU MAY LOOK THROUGH ONE' is PANE, which is a four-letter word. PANE is a flat sheet of glass, plastic, or other material that is used to divide a window, door, or other opening into sections. It is also used to provide insulation and soundproofing. PANE can also refer to a section of a wall or other surface, such as a PANE of glass in a painting or a PANE of fabric in a quilt.