Like most other psychiatric illnesses and health conditions, a combination of several different factors may increase the likelihood that a person will experience an eating disorder at some point in their life.
Waterspout. A waterspout is an intense columnar vortex that occurs over a body of water, connected to a cumuliform cloud. In the common form, it is a non-supercell tornado over water. While it is often weaker than most of its land counterparts, stronger versions spawned by mesocyclones do occur.
The second possibility is that the name originated as a metonymic occupational name for a brewer or seller of Mead, a fermented beverage made from honey and water, often with spices added, the derivation being from the old English meodu, mead.