lungworm

any nematode worm of the superfamily Metastrongylidae, parasitic in the lungs of various mammals.

a nematode worm of the genus Rhabdias, parasitic in the lungs of reptiles and amphibians.

any parasitic nematode worm of the family Metastrongylidae, occurring in the lungs of mammals, esp Metastrongylus apri which infects pigs

any of certain other nematodes that are parasitic in the lungs