lungworm

Any of various nematode worms of the order Strongylida that are parasitic in the lungs of mammals.

A worm parasitic in the lungs.

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 (Strongylus filaria) are the best known.

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