Definition of McBurney's point in US English:

McBurney's point

(also McBurney point)

noun

  • A notional point on the surface of the abdomen that is often the site of maximal tenderness to palpation in appendicitis, located two-thirds of the way along a line from the umbilicus to the right anterior superior iliac spine (approx. 1½–2 inches or 4–5 cm from the iliac spine).

Origin

Late 19th century. From the genitive of the name of Charles McBurney, U.S. surgeon, who described the point in 1889 ( N.Y. Med. Jrnl 50 678) + point. In some forms from McBurney + point.

Pronunciation

McBurney's point

/məkˈbəːniːz ˌpɔɪnt/