Meaning

noun European weed naturalized in southwestern United States and Mexico having reddish decumbent stems with small fernlike leaves and small deep reddish-lavender flowers followed by slender fruits that sti

noun slender threadlike roundworms living in the blood and tissues of vertebrates; transmitted as larvae by biting insects

origin19th century, from translingual Filaria (name of type genus), from Latin filum (“thread”).

Etymology from Wiktionary, CC BY-SA 3.0