mullion

[ muhl-yuhn ]

/ ˈmʌl yən /

Architecture

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See synonyms for: mullioned on Thesaurus.com

noun

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.

verb (used with object)

to furnish with, or to form into divisions by the use of, mullions.

QUIZ

THINGAMABOB OR THINGUMMY: CAN YOU DISTINGUISH BETWEEN THE US AND UK TERMS IN THIS QUIZ?

Do you know the difference between everyday US and UK terminology? Test yourself with this quiz on words that differ across the Atlantic.

Question 1 of 7

In the UK, COTTON CANDY is more commonly known as…

candystring

candyfloss

candypuff

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Origin of mullion

First recorded in 1560–70; metathetic variant of monial

OTHER WORDS FROM mullion

un·mul·lioned, adjective

Words nearby mullion

mulligatawny, mulligrubs, Mulliken, mulling, Mullingar, mullion, Mullis, mullite, mullock, mull over, mulloway

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use mullion in a sentence

With the exception of four quatrefoils (placed above each alternate mullion) it is composed of trefoils.
Bell's Cathedrals: The Cathedral Church of Carlisle|C. King Eley
The lead that soldered the bar into the strong stone mullion held, and would have held against the strength of four.
The Long Night|Stanley Weyman
Here, the windows in the body of the building take flattened elliptic heads; and they are divided by one mullion and one transom.
Account of a Tour in Normandy, Vol. I. (of 2)|Dawson Turner
Hugh moved slowly to the window, and leaned his throbbing forehead against the stone mullion.
Red Pottage|Mary Cholmondeley

There are many records of wrecks at Mullion Cove and the cliffs between it and the Lizard.
The Cornish Coast (South)|Charles G. Harper

British Dictionary definitions for mullion

mullion

/ (ˈmʌlɪən) /

noun

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

verb

(tr) to furnish (a window, screen, etc) with mullions

Word Origin for mullion

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 Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012