any of various small animals or insects that are pests; e.g. cockroaches or rats; "cereals must be protected from mice and other vermin"; "he examined the child's head for vermin"; "boys in the village have probably been shooting vermin"
a newly established colony (especially in the colonization of North America); "the practice of sending convicted criminals to serve on the Plantations was common in the 17th century"
an estate where cash crops are grown on a large scale (especially in tropical areas)