Mulls meaning : A thin, soft muslin. Marijuana that has been chopped to prepare it for smoking. A stew of meat, broth, milk, butter, vegetables, and seasonings, thickened with soda crackers. The gauze used in bookbinding to adhere a text block to a book's cover. An inferior kind of madder prepared from the smaller roots or the peelings and refuse of the larger. (usually with over) To work (over) mentally; to cogitate; to ruminate. To powder; to pulverize. To chop marijuana so that it becomes a smokable form. To heat and spice something, such as wine. To join two or more individual windows at mullions. To dull or stupefy. A promontory. A snuffbox made of the small end of a horn.