- a vertical member, as of stone or wood, between the lights of a window, the panels in wainscoting, or the like.
- one of the radiating bars of a rose window or the like.
- to furnish with, or to form into divisions by the use of, mullions.
Origin of mullion
Examples from the Web for mullions
Historical Examples of mullions
The mullions of the lower side panels, it will be noted, are specified 5/8 and 3/4 in.Mission Furniture
H. H. Windsor
The mullions in the windows in the second stage are later insertions.The Cathedrals of Great Britain
P. H. Ditchfield
Mullions, upright bars of stone between the lights of a window.
In the windows the mullions are continued through the head of the window.
He looked closely at the paint on the mullions and searched for flaws in the glass.The Cottage of Delight
Will N. Harben
- a vertical member between the casements or panes of a window or the panels of a screen
- one of the ribs on a rock face
- (tr) to furnish (a window, screen, etc) with mullions
Word Origin for mullion
"vertical column between the lights of a window," 1560s, metathesis of Middle English moyniel (early 14c.), from Anglo-French moinel, noun use of moienel (adj.) "middle," from Old French meien "intermediate, mean" (see mean (adj.)). Related: Mullioned.