The spelling of the term "oriental boll" can be confusing for some, but understanding its phonetic transcription can make it easier to grasp. The word "oriental" is spelled /ɔːriːˈɛntəl/, with the stress on the second syllable. The term "boll" is spelled /boʊl/ with a long "o" sound and stress on the first syllable. When combined together, "oriental boll" is pronounced as /ɔːriːˈɛntəl boʊl/. This term refers to a type of cotton that is grown in regions of Asia, which is why it is named "oriental."
An infectious ulcer, beginning as a papule which soon enlarges to a nodule or large tubercle and then breaks down into an ulcer; the affection is endemic in parts of Asia Minor, Northern Africa, and India, as indicated by its various names; Aleppo boil or evil, Biskra button, Delhi boil, Pendjdeh sore, etc. It is a local infection by the Leishman-Donovan bodies, hence called dermal leishmaniasis.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.