mullioned

/ˈmʌliənd/
adjective
  1. Having vertical bars (mullions) that divide a window into separate panes or sections.
    • The library's mullioned windows let in soft, filtered light.
    • We installed mullioned glass doors to give the house a traditional look.
    • The old stone church had beautiful mullioned windows.
Synonyms
What does "mullioned" mean? | whatsthatwordmean | whatsthatwordmean