noun
- a vertical bar or divider between the panes of glass in a window
Usage: architecture
Examples
- The Gothic cathedral featured tall windows with ornate stone mullions.
- She painted the wooden mullions white to match the window frame.
- The architect designed narrow mullions to maximize the view.
- Old mullions in the historic building needed restoration.
- The window’s mullions cast interesting shadows on the floor.
- Modern homes often have fewer mullions for a cleaner look.