zealot zealot: n. 1 an uncompromising or extreme partisan; a fanatic. 2 (Zealot) hist. a member of an ancient Jewish sect aiming at a world Jewish theocracy and resisting the Romans until AD 70. øøzealotry n. [eccl.L zelotes f. Gk zelotes (as ZEAL)]
zoonosis zoonosis: n. any of various diseases which can be transmitted to humans from animals. [ZOO- + Gk nosos disease]