noun: Initialism of Vulgar Latin. [(linguistics, historical) The Latin language as spoken by the Roman people, as opposed to Classical Latin as written in formal literature. Developed into Proto-Romance and descendant languages in the Early Middle Ages.]
noun: (medicine) Initialism of visceral leishmaniasis. [(medicine) The most severe form of leishmaniasis, a disease caused by protozoan parasites of the genus Leishmania, in which the parasite migrates to the internal organs such as the liver, spleen, and bone marrow, often resulting in the death of the host.]