01 n. Any one of several species of parasitic nematoid worms which infest the lungs and air passages of cattle, sheep, and other animals, often p…
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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.(Zool.)