a parasitic nematode worm, Dracunculus medinensis, that lives beneath the skin in humans and other vertebrates and is common in India and Africa
Guinea worm in American English
a nematode worm (Dracunculus medinensis) of tropical Africa and S Asia, parasitic as an adult in the subcutaneous tissues of humans and other mammals: the female can reach a length of c. 90 cm (c. 3 ft)