Definition of femur
femoraplay \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 thighbone
2 : the segment of an insect's leg that is third from the body
Recent Examples of femur from the Web
A litany of critical medical procedures followed, including hip, femur and knee replacements and the removal of a kidney.
After that, Alex faces months of physical therapy on a leg that has an artificial hip and knee in addition to the femur.
Nininger's remains were disinterred and identified but the identification was later overturned by officials because of what was perceived as a discrepancy in the length of a femur bone.
His first creation was called the Bone Box and had a real human femur bone for the door handle.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'femur'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of femur
New Latin femor-, femur, from Latin, thigh
First Known Use: circa 1726
FEMUR Defined for English Language Learners
Definition of femur for English Language Learners
medical : the long bone in the upper part of the leg
FEMUR Defined for Kids
Definition of femur for Students
: the long leg bone that extends from the hip to the knee
Medical Definition of femur
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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