fibula: Meaning and Definition of

fib•u•la

1. the outer and thinner of the two bones of the human leg, extending from the knee to the ankle. See diag. under
2. a corresponding bone, often rudimentary or ankylosed with the tibia, of the leg or hind limb of an animal.
3. a clasp or brooch, often ornamented, used by the ancient Greeks and Romans.