Definition of filaria in English:



  • A threadlike parasitic nematode worm transmitted by biting flies and mosquitoes, causing filariasis and related diseases.

    • ‘The adult filariae lodge in the lymphatic system causing debilitating lymphoedema.’
    • ‘Manson commented, ‘It is marvelous how Nature has adapted the habits of the filariae to those of the mosquito.’’
    • ‘The Government campaign to eradicate filaria through the mass drug administration programme is good and in the interest of community health.’
    • ‘ARS researchers are using new biological controls to retaliate against the mosquito, an insect that can transmit viruses, protozoan parasites, and filariae (small worms).’
    • ‘It was the younger Thomas Bancroft who proved in 1899 that filariae that actively developed in the mosquito were transferred to humans by the act of feeding on blood.’


Mid 19th century: from modern Latin Filaria (former genus name), from Latin filum ‘thread’.