noun

• Diabetes mellitus; any of a group of metabolic diseases whereby a person (or other animal) has high blood sugar due to an inability to produce, or inability to metabolize, sufficient quantities of the hormone insulin.
• (slang, humorous) Any food or beverage with a high amount of sugar.
• Diabetes insipidus; any condition characterized by excessive or incontinent urine, now specifically as caused by impaired production of, or response to, the antidiuretic hormone vasopressin.