| lungworm | <zoology> 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: Websters Dictionary (01 Mar 1998) |
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| lungworms | Nematodes that inhabit the air passages of animals, chiefly in the family Metastrongylidae (or Protostrongylidae). See: Aelurostrongylus, Crenosoma vulpis, Dictyocaulus, Metastrongylus, Muellerius capillaris, Protostrongylus rufescens. (05 Mar 2000) |