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
Unfortunately, one mother learned as much when her 3-year-old son fell and broke his femur while jumping on a trampoline.
The ball portion is at the top of the thigh bone, or femur.
A portion of his left arm was amputated and both legs were shattered from the femur down.
Other firms flourished, peddling hip implants, artificial femurs and bone plates for children.
In particular, the microstructure of the dinosaur’s femur shows a feature called an External Fundamental System, accepted as a marker of fully adult body size.
But for Kraddick, there was another factor: Before Caroline was born in 1990, doctors told Kraddick and his then-wife, Carol, that their baby might be born with a twisted femur and be unable to walk.
He was shot six times, suffered a broken femur from being trampled by a panicked crowd, and has undergone four operations to regain the ability to walk.
The fossil belonging to the bison is part of a front leg, while the sloth fossil is a femur-head fragment, The Source reported.
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 1726See Words from the same year
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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