mullion
noun
- slender, vertical, usually nonstructural bar or pier forming a division between doors, screens, or lights of windows
Wiktionary
Pronunciation: /ˈmʌliən/
name
- A village and civil parish in south-west Cornwall, England (OS grid ref SW6719).
- A locality in Yass Valley council area, Southern Tablelands, New South Wales, Australia.
noun
Etymology: Alteration of monial (“mullion”), or metathesis of Middle English moyniel, both ultimately from Old French moinel.
- A vertical bar between the panes of glass or casements of a window or the panels of a screen.
verb
Etymology: Alteration of monial (“mullion”), or metathesis of Middle English moyniel, both ultimately from Old French moinel.
- To shape into divisions by means of mullions.