/ Dictionary / Index L leishmaniasis: Meaning and Definition of Find definitions for: leish•man•i•a•sis Pronunciation: (lēsh"mu-nī'u-sis, līsh"-), [key] — n. Pathol. any infection caused by a protozoan of the genus Leishmania. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: leishmaniasis (Thesaurus) leishmania leister Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language