Breadcrumb Home > Dictionary > Index F filaria: Meaning and Definition of Find definitions for: fi•lar•i•a Pronunciation: (fi-lâr'ē-u), [key] — pl. -lar•i•ae any small, threadlike roundworm of the family Filariidae and related families, carried as a larva by mosquitoes and parasitic when adult in the blood or tissues of vertebrates. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: filaria (Thesaurus) filar filarial ✖ Related Content Daily Word Quiz: musth Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language