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orf Line breaks: orf

Definition of orf in English:


[mass noun]
An infectious disease of sheep and goats caused by a poxvirus, characterized by skin lesions and secondary bacterial infection.
Example sentences
  • We made a clinical diagnosis of cutaneous orf, and the lesion healed without any complications within a fortnight, without further intervention or medication.
  • The National Animal Disease Information Service has had many reports of orf in lambs this spring, according to NADIS vet Richard Laven.
  • Orf is a viral disease that is widespread in sheep and goats.


Mid 19th century: probably from Old Norse hrufa.

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