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Definition of Orf
1. n. A bright-colored domesticated variety of the id. See Id.
Definition of Orf
1. Initialism. (genetics) open reading frame ¹
2. Noun. (obsolete) Cattle. ¹
3. Noun. An exanthemous disease caused by a parapox virus, occurring primarily in sheep and goats but also capable of infecting humans. ¹
¹ Source: wiktionary.com
Definition of Orf
1. a viral infection of sheep [n -S]
Medical Definition of Orf
1. A specific disease of sheep and goats, caused by the orf virus. This virus is transmissible to man and characterised by vesiculation and ulceration of the infected site. Synonym: contagious ecthyma, contagious pustular dermatitis, scabby mouth, soremouth. Origin: O.E. Orfcwealm, murrain, fr. Orf, cattle, + cwealm, destruction (05 Mar 2000)