ar·bo·vi·rus  (är'bə-vī'rəs)  n. Any of a large group of viruses transmitted by arthropods, such as mosquitoes and ticks, that include the causative agents of encephalitis, yellow fever, and dengue. [ar(thropod-)bo(rne) virus.] ar'bo·vi'ral adj., ar'bo·vi·rol'o·gy (är'bō-vĭ-rŏl'ə-jē) n. |