any of several infectious diseases, esp. kala azar, caused by protozoan parasites (genus Leishmania)
Origin of leishmaniasisModern Latin ; from Leishmania, after Sir W. B. Leishman (1865-1926), Scottish bacteriologist
- An infection caused by any of the flagellate protozoans of the genus Leishmania, transmitted to humans and animals by bloodsucking sandflies.
- A disease, such as kala-azar or either of two clinically distinct ulcerative skin diseases, caused by flagellate protozoans of the genus Leishmania.
Origin of leishmaniasisNew Latin Leishmania, genus of protozoans (after Sir William Boog Leishman, (1865–1926), British medical officer), –iasis.