mullion

[ muhl-yuhn ]

noun

1. a vertical member, as of stone or wood, between the lights of a window, the panels in wainscoting, or the like.
2. one of the radiating bars of a rose window or the like.

verb (used with object)

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

mullion

/ ˈmʌlɪən /

noun

1. a vertical member between the casements or panes of a window or the panels of a screen
2. one of the ribs on a rock face

verb

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

Other Words From

• un·mullioned adjective

Word History and Origins

Origin of mullion¹

First recorded in 1560–70; metathetic variant of monial

Word History and Origins

Origin of mullion¹

C16: variant of Middle English munial, from Old French moinel, of unknown origin

Example Sentences

With the exception of four quatrefoils (placed above each alternate mullion) it is composed of trefoils.

From Project Gutenberg

The lead that soldered the bar into the strong stone mullion held, and would have held against the strength of four.

From Project Gutenberg

Here, the windows in the body of the building take flattened elliptic heads; and they are divided by one mullion and one transom.

From Project Gutenberg

Hugh moved slowly to the window, and leaned his throbbing forehead against the stone mullion.

From Project Gutenberg

There are many records of wrecks at Mullion Cove and the cliffs between it and the Lizard.

From Project Gutenberg