Dictionary
pest
Pronunciation: (pest), [key]—
n.
1. an annoying or troublesome person, animal, or thing; nuisance.
2. an insect or other small animal that harms or destroys garden plants, trees, etc.
3. a deadly epidemic disease, esp. a plague; pestilence.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.