? a worm supposed to sting cattle (cf. taint-worm, n.).

A kind of worm or maggot found in the skins of cattle. More fully felter-worm.

a small parasitic worm of horses (perhaps a pinworm or small strongyle).

(see quot.).

Veterinary Medicine. A minute parasitic nematode worm of the genus Dirofilaria, esp. D. immitis, which typically infests the pulmonary blood…