m 3 u 1 l 1 l 1 i 1 o 1 n 1
7 letters · 9 points in Scrabble
Meaning
noun a nonstructural vertical strip between the casements or panes of a window (or the panels of a screen)
originAlteration of monial (“mullion”), or metathesis of Middle English moyniel, both ultimately from Old French moinel.
Etymology from Wiktionary, CC BY-SA 3.0