What does dracunculus mean?
Dracunculus is the name used for the Guinea worm, a parasitic roundworm whose adult females can grow to more than a metre in length. Infection is acquired by drinking water containing infected copepods, usually causing a painful blister and the later emergence of the worm through the skin. The term is chiefly technical, appearing in medicine, parasitology, and public-health discussions; in formal writing, the scientific genus name is capitalized as Dracunculus, notably in Dracunculus medinensis. Dracunculus also carries a striking etymological association with a “dragon,” because the Latin diminutive dracunculus was formed from draco, “dragon” or “serpent,” in reference to the worm’s long, snake-like body. The word is memorable not merely for its dramatic appearance but for its historical impact: Guinea worm disease once affected communities across Africa and Asia, while efforts to filter drinking water and control transmission have reduced cases dramatically. Today, cases are highly uncommon, but the name remains a reminder of how basic public-health measures can interrupt a severe parasitic disease.
nounThe Guinea worm, a parasitic nematode of the species Dracunculus medinensis that causes dracunculiasis, also known as Guinea worm disease.
- A parasitic roundworm of the species Dracunculus medinensis, the cause of Guinea worm disease.
"The dracunculus infection was detected after the patient developed a painful blister."
"Health workers traced the dracunculus outbreak to a contaminated water source."
"The laboratory confirmed that the preserved specimen belonged to Dracunculus medinensis, the species that causes human dracunculus infections."
The standard plural is dracunculi; dracunculuses is also accepted. As a biological genus name, Dracunculus itself is not ordinarily pluralized.
"Several dracunculi were removed from the patient during treatment."
A Guinea worm can grow to more than a metre inside a person, then emerge through a blister to reproduce.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does dracunculus come from?
Dracunculus comes from Latin dracunculus, a diminutive of draco, meaning “dragon” or “serpent.” The form of the diminutive was traditionally associated with the parasite’s long, serpent-like appearance. The word entered English through medical and natural-history usage, and its principal modern sense is the Guinea worm.
Related word forms
How dracunculus is actually used
Chiefly a technical term in medicine, parasitology, and public health. The common noun is normally lowercase, while the biological genus name is capitalized as Dracunculus.
Easily confused with dracunculus
Dracunculiasis is the disease caused by infection with dracunculus, not the worm itself.