A healer.
A person who derives profit from others in a parasitic fashion.
The aft edge of a triangular sail.
An aquatic blood-sucking annelid of class Hirudinea, especially Hirudo medicinalis.
The vertical edge of a square sail.
To drain (resources) without giving back.
To apply a leech medicinally, so that it sucks blood from the patient.
Any doctor.
A fraudulent healer, especially a bombastic peddler in worthless treatments, a doctor who makes false diagnoses for monetary benefit, or an untrained or poorly trained doctor who uses fraudulent credentials to attract patients
Any similar charlatan or incompetent professional.
The sound made by a duck.
Falsely presented as having medicinal powers.
To make a noise like a duck.
Of a queen bee: to make a high-pitched sound during certain stages of development.
To practice or commit quackery (fraudulent medicine).