noun🔗ShareMeneauxA vertical bar between the panes of glass or casements of a window or the panels of a screen."The sunlight streamed through the window, highlighting the dust on the mullions that divided the glass panes. "La lumière du soleil traversait la fenêtre, soulignant la poussière sur les meneaux qui divisaient les vitres.architecturebuildingpartChat with AIVocabulary GamePractice Reading