LUNGWORM

Etymology

Noun

lungworm (plural lungworms)

Any of several nematode worms, of the family Metastrongylidae, that are parasitic to mammalian lungs

Source: Wiktionary

Lung"worm`, n. (Zoöl.)

Definition: Any one of several species of parasitic nematoid worms which infest the lungs and air passages of cattle, sheep, and other animals, often proving fatal. The lungworm of cattle (Strongylus micrurus) and that of sheep (S. filaria) are the best known.

Source: Webster’s Unabridged Dictionary 1913 Edition