1. a strip of wood or metal separating and holding the panes of glass in a window
Usage: architecture

Examples

• The old colonial house featured windows with white wooden muntins dividing each sash into small panes.
• When restoring the historic building, they carefully repaired the damaged muntins.
• The architect specified thin metal muntins for the modern office windows.
• She painted the window muntins to match the trim around the door.
• The broken muntin allowed the glass pane to fall out of the window frame.
• Traditional six-over-six windows have muntins creating a grid pattern of twelve panes total.