from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Opposing rats.
- adj. Describing an antibody, resident in a human or other animal, that reacts with the immunoglobins found in rats.
anti- + rat (Wiktionary)
In a mild winter there's lots of food, and then, says Terry Howard, who ran Chicago's antirat operations for many years, "They'll have major litters.