An infectious disease caused by the bacterium Francisella tularensis that chiefly affects rodents but can also be transmitted to humans through the bite of various insects or contact with infected animals. In humans, the disease is characterized by intermittent fever and swelling of the lymph nodes. Also called rabbit fever.
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.