long bone

American  

noun

Anatomy.

1. any of the long, cylindrical, marrow-containing bones of the limbs.

   the long bone of the arm.

---

Etymology

Origin of long bone

First recorded in 1855–60

Example Sentences

The new method, developed in the US, involved placing a lengthening nail - known as a motorised telescopic nail - on the surface of Alfie's femur, the long bone in the thigh.

From BBC • Feb. 17, 2026

Fractures of the femur, the long bone in the upper leg, are a widespread injury in humans and are prevalent among elderly individuals.

From Science Daily • May 21, 2024

Alongside the chalk drum in the grave was long bone pin, which might have held a shroud in place, and a clay ball, that a child might play with.

From Washington Post • Feb. 12, 2022

That is the long bone on the outside of the foot that connects to the little toe.

From Seattle Times • Feb. 1, 2022

Then she took each long bone and stacked it on top of the dress.

From Anya and the Nightingale by Sofiya Pasternack