mullion
[muhl-yuh n]Architecture
- 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.
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- to furnish with, or to form into divisions by the use of, mullions.
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Origin of mullion
First recorded in 1560–70; metathetic variant of monial
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for mullions
Historical Examples
The mullions of the lower side panels, it will be noted, are specified 5/8 and 3/4 in.
Mission FurnitureH. H. Windsor
The mullions in the windows in the second stage are later insertions.
The Cathedrals of Great BritainP. H. Ditchfield
Mullions, upright bars of stone between the lights of a window.
The Children of Westminster AbbeyRose G. Kingsley
In the windows the mullions are continued through the head of the window.
The Children of Westminster AbbeyRose G. Kingsley
He looked closely at the paint on the mullions and searched for flaws in the glass.
The Cottage of DelightWill N. Harben
mullion
- 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
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- (tr) to furnish (a window, screen, etc) with mullions
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Word Origin
C16: variant of Middle English munial, from Old French moinel, of unknown origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for mullions
mullion
n.
"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.
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Online Etymology Dictionary, © 2010 Douglas Harper