plural femurs or femora
ˈfe-mə-rə 
ˈfem-rə
1
: the proximal bone of the hind or lower limb that extends from the hip to the knee
called also thigh bone
2
: the segment of an insect's leg that is third from the body
Examples of femur in a Sentence
Recent Examples on the Web
Misiewicz, 37, lost both his legs when he was injured by an IED in 2011 while deployed to Afghanistan with the Marine Corps, and Roybal, 27, was born without femurs in his legs.
—
Melinda Moore, Chicago Tribune, 5 Mar. 2026
The boy was hospitalized with a concussion, an intracranial bleed, a skull fracture, a broken wrist, and a fractured femur.
—Cierra Morgan
march 4, Los Angeles Times, 4 Mar. 2026
The car had tried to avoid him, footage captured by another car showed, but he was hit and suffered a concussion, intercranial bleed, skull fracture, broken wrist and fractured femur, according to the District Attorney’s office.
—Sierra Van Der Brug, Oc Register, 4 Mar. 2026
Coleman suffered critical injuries, including a broken femur and skull fractures, and was in a coma for three weeks, her family told DHS.
—Miranda Jeyaretnam, Time, 25 Feb. 2026
See All Example Sentences for femur
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Melinda Moore, Chicago Tribune, 5 Mar. 2026
The boy was hospitalized with a concussion, an intracranial bleed, a skull fracture, a broken wrist, and a fractured femur.
—Cierra Morgan
march 4, Los Angeles Times, 4 Mar. 2026
The car had tried to avoid him, footage captured by another car showed, but he was hit and suffered a concussion, intercranial bleed, skull fracture, broken wrist and fractured femur, according to the District Attorney’s office.
—Sierra Van Der Brug, Oc Register, 4 Mar. 2026
Coleman suffered critical injuries, including a broken femur and skull fractures, and was in a coma for three weeks, her family told DHS.
—Miranda Jeyaretnam, Time, 25 Feb. 2026
See All Example Sentences for femur
Cite this Entry
“Femur.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/femur. Accessed 9 Mar. 2026.
Copy CitationKids Definition
femur
noun
fe·mur
ˈfē-mər
plural femurs or femora
ˈfem-(ə-)rə
1
: the long bone of the hind or lower limb extending from the hip to the knee
called also thighbone
2
: the segment of an insect's leg that is third from the body
femoral
adjective
ˈfem-(ə-)rəl
Medical Definition
femur
noun
fe·mur
ˈfē-mər
plural femurs or femora
ˈfem-(ə-)rə
1
: the proximal bone of the hind or lower limb that is the longest and largest bone in the human body, extends from the hip to the knee, articulates above with the acetabulum by a rounded head connected with the shaft of the bone by an oblique neck bearing a pair of trochanters for the attachment of muscles, and articulates with the tibia below by a pair of condyles
called also thigh bone
2
: the segment of an insect's leg that is third from the body
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