Myomancy (from myo- `mouse` + -mancy `divination by means of`) is the practice of reading omens from the behavior of rats or mice, a `theriomantic` method of divination which might be implied in the Bible verse Isaiah 66:17. In the context of Western history, certain mouse or rat vocalizations (`their particular cries`) and other phenomena...
divination from the movements of mice
• (n.) Divination by the movements of mice.
My'o·man`cy noun [ Greek 
myomancy Divination by the movements of mice.