Main Entry: fas·ci·o·la Pronunciation: f&-'sE-&-l&, -'sI- Function: noun 1pluralfas·ci·o·lae/-"lE/orfas·ci·o·las: a narrow fascia or band of color 2capitalized: a genus (the type of the family Fasciolidae) of digenetic trematode worms including common liver flukes of various mammals (as ruminants and humans)