draco-, drac- +
(Greek > Latin: dragon; a kind of serpent; snake; a kind of fish; by extension, a festering sore)
2. 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.
More details about Dracunculiasis or the Guinea worm infestation.
2. A genus (the type of the family Dracunculidae) of greatly elongated nematode worms including the guinea worm.
3. Plants called tuberous herbaceous perennials; dragon arum.
Its embryos are discharged through an opening in the skin upon contact with water; from the water they enter the body of a small crustacean, Cyclops, where they undergo larval development. Also known as: dragon worm, guinea worm, Medina worm, and serpent worm.
2. To become sore or inflamed; to fester a part of the body: A sore that festers and gets worse and worse rankles as it gets more infected.
3. Etymology: from Old French rancler, from draoncle. "abscess, festering sore" which came from Latin dracunculus, "little snake" from draco, draconis, "serpent, dragon".