Windowpane/ˈwɪndəʊpeɪn/ Definition 1 of 2Pro Tip 1/3Visual Clarity Refers to the transparency and clarity of glass in a window, allowing for seeing through. The clean windowpane offered a perfect view of the garden. Pro Tip 2/3Material Composition Made of glass, sometimes described for its thickness, tint, or texture. The thick windowpane muffled the sounds from outside. Pro Tip 3/3Metaphorical Use Used metaphorically to signify a barrier that allows visual connection but physical separation. His emotions were as opaque as a frosted windowpane.