How to say mull. This is the British English definition of mullion.View American English definition of mullion. Side Effects & Safety Mullein is POSSIBLY SAFE when applied directly to the ear, short-term. • MULLION (noun) The noun MULLION has 1 sense:. Change your default dictionary to American English. Mullions are the single vertical supports used in two-pane assemblies. 2. As User says, it comes from the Southern Italian mulignana, meaning eggplant, though most sources listed it as Sicilian. ‘Unusually thin mullions span the tall space, turning it into a gigantic glass jigsaw puzzle recomposing the view.’ ‘The configuration and mullion patterns of several … mullioned definition: 1. Grilles: Alternative to Muntin and Mullion Terminology Few window companies today make a distinction between muntins, mullions, and stiles because few window buyers care about this. A mullioned window has vertical parts, usually made of stone, separating the glass parts. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Mullion definition: a vertical member between the casements or panes of a window or the panels of a screen | Meaning, pronunciation, translations and examples Definition and synonyms of mullion from the online English dictionary from Macmillan Education. It's an ethnic slur for a black person, seemingly common for Italian-Americans. Learn more. Definition of mullion noun in Oxford Advanced Learner's Dictionary. This video shows you how to say Mullioned.ELIMINATE STUDENT LOANS AND OTHER DEBT USING SOCIAL MEDIA! mull pronunciation. ‘Unusually thin mullions span the tall space, turning it into a gigantic glass jigsaw puzzle recomposing the view.’ ‘The configuration and mullion patterns of several … A…. View the pronunciation for mullion. Listen to the audio pronunciation in English. Dictionary entry overview: What does mullion mean? Learn more. 1. a nonstructural vertical strip between the casements or panes of a window (or the panels of a screen) Familiarity information: MULLION used as a noun is very rare.