1
: the outer and usually smaller of the two bones between the knee and ankle in the hind or lower limbs of vertebrates
2
: a clasp resembling a safety pin used especially by the ancient Greeks and Romans

Illustration of fibula

Illustration of fibula
  • fibula 2

Examples of fibula in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
But after missing more than two months with a broken fibula, Holmes is working toward his late-season return, making his contract situation one of the organization's biggest storylines. Peter Chawaga, Forbes.com, 27 July 2026 Holmes, who is still working his way back from a fractured fibula, threw a bullpen Sunday, and the Mets could activate him ahead of the deadline. Abbey Mastracco, New York Daily News, 26 July 2026 Holmes, out since mid-May because of a fibula fracture, is set to make a rehab start this week. Ken Rosenthal, New York Times, 22 July 2026 Skattebo underwent emergency surgery to repair the injury, which included a ruptured deltoid ligament and a fractured fibula. Skyler Caruso, PEOPLE, 20 July 2026 See All Example Sentences for fibula

Word History

Etymology

Latin, pin, clasp; akin to Latin figere to fasten

First Known Use

1578, in the meaning defined at sense 1

Time Traveler
The first known use of fibula was in 1578

Browse Nearby Words

Cite this Entry

“Fibula.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fibula. Accessed 8 Aug. 2026.

Kids Definition

plural fibulae -ˌlē How to pronounce fibula (audio)
-ˌlī
or fibulas
: the outer and usually the smaller of the two bones between the knee and ankle of the hind or lower limb

Medical Definition

plural fibulae
-lē also -ˌlī
or fibulas
: the outer or postaxial and usually the smaller of the two bones of the hind or lower limb below the knee that is the slenderest bone of the human body in proportion to its length, articulates above with the external tuberosity of the tibia and below with the talus, and has its lower end forming the external malleolus of the ankle

called also calf bone

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