Main Entry: Di·ro·fi·lar·ia Pronunciation: "dI-(")rO-f&-'lar-E-& Function: noun : a genus of filarial worms of thesuperfamily Filarioidea that includes the heartworm (D. immitis) —di·ro·fi·lar·i·al/-E-&l/adjective
Dirofilaria Di·ro·fi·lar·i·a (dī'rō-fə-lâr'ē-ə) n. A genus of filarial worms including the heartworm and other species, usually found in mammals other than humans.