What is the meaning of Mull?

(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.

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.

A mess of something; a mistake.

A thin, soft muslin.

A promontory.

A snuffbox made of the small end of a horn.

dirt; rubbish

bubble (spherically contained volume of air in a liquid)

Alternative form of molle (rubbish)

headland

mold (loose soil), earth

dust

Source: wiktionary.org