— leptospiral , adj.
/lep'teuh spuy"reuh/ , n. , pl. leptospirae /-ree/ , leptospiras . Bacteriol.
any of several spirally shaped, aerobic bacteria of the genus Leptospira, certain species of which are pathogenic for human beings.
[ lepto- LEPTO- + L spira coil; see SPIRE 2 ]