guinea worm

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A long threadlike nematode worm (Dracunculus medinensis) of tropical Asia and Africa that is a subcutaneous parasite of humans and other mammals and causes ulcerative lesions on the legs and feet.

Century Dictionary and Cyclopedia

1. n. A formidable parasitic nematode or threadworm, Filaria medinensis, of extreme tenuity, from a few inches to several feet long, often infesting the human body, especially in hot countries. See Filaria.

GNU Webster's 1913

1. n. a long and slender African nematoid worm (Filaria Medinensis) of a white color. It lives in the cellular tissue of man, beneath the skin, and produces painful sores.

WordNet 3.0

1. n. a painful and debilitating infestation contracted by drinking stagnant water contaminated with Guinea worm larvae that can mature inside a human's abdomen until the worm emerges through a painful blister in the person's skin
2. n. parasitic roundworm of India and Africa that lives in the abdomen or beneath the skin of humans and other vertebrates