'Vermin' definitions:

Definition of 'vermin'

From: WordNet
noun
An irritating or obnoxious person [syn: vermin, varmint]
noun
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"

Definition of 'Vermin'

From: GCIDE
  • Vermin \Ver"min\, n. sing. & pl.; used chiefly as plural. [OE. vermine, F. vermine, from L. vermis a worm; cf. LL. vermen a worm, L. verminosus full of worms. See Vermicular, Worm.]
  • 1. An animal, in general. [Obs.] [1913 Webster]
  • Wherein were all manner of fourfooted beasts of the earth, and vermin, and worms, and fowls. --Acts x.
  • 12. (Geneva Bible). [1913 Webster]
  • This crocodile is a mischievous fourfooted beast, a dangerous vermin, used to both elements. --Holland. [1913 Webster]
  • 2. A noxious or mischievous animal; especially, noxious little animals or insects, collectively, as squirrels, rats, mice, worms, flies, lice, bugs, etc. "Cruel hounds or some foul vermin." --Chaucer. [1913 Webster]
  • Great injuries these vermin, mice and rats, do in the field. --Mortimer. [1913 Webster]
  • They disdain such vermin when the mighty boar of the forest . . . is before them. --Burke. [1913 Webster]
  • 3. Hence, in contempt, noxious human beings. [1913 Webster]
  • You are my prisoners, base vermin. --Hudibras. [1913 Webster]