leptospirosis

lep·to·spi·ro·sis

noun \ˌlep-tə-spī-ˈrō-səs\

plural lep·to·spi·ro·ses \-ˌsēz\

Definition of LEPTOSPIROSIS

: any of several diseases of humans and domestic animals (as cattle and dogs) that are caused by infection with spirochetes of the genus Leptospira—called also lepto; see stuttgart disease, weil's disease