Anatomy. a bone in the human leg extending from the pelvis to the knee, that is the longest, largest, and strongest in the body; thighbone.
Zoology. a corresponding bone of the leg or hind limb of an animal.
Entomology. the third segment of the leg of an insect (counting from the base), situated between the trochanter and the tibia.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use femur in a sentence
One of the most important new insights is about the structure of the creature’s femur.Pterosaurs may have evolved from tiny, fast-running reptiles | Carolyn Gramling | October 5, 2022 | Science News
The femur bones of the leg are sometimes only two or three cells thick.Living mysteries: This critter has 38 times more DNA than you do | Douglas Fox | September 29, 2022 | Science News For Students
You don’t want to risk flying into the woods and breaking your back, or crashing and tumbling and blowing up your knee or breaking your femur.What You Missed: Mikaela Shiffrin’s Toughest Challenge Yet | Fred Dreier | December 21, 2021 | Outside Online
He is the man who blessed us with a taller set of femurs than Halloween celebrators knew they wanted.
Typically, overpronation goes hand-in-hand with excessive internal rotation of the femurs, which you can see in the video below.
The results were awful: marked osteoporosis in the spine, hip, and femur.
One guy fell in front of me and broke his back in two places, both his feet, and his right femur.
In July 2008, I learned that I had a seven-inch cancerous tumor in my left femur.
The sudden cure of advanced paresis would be as much a miracle as the sudden replacing of a lost femur.Essays In Pastoral Medicine | Austin Malley
Let one part, that in the centre, form a "femur" (in Greek μηρὁς).Ten Books on Architecture | Vitruvius
As an adaptation to saltation the tibia would elongate at the expense of the femur and the index would be more than 100.Speciation in the Kangaroo Rat, Dipodomys ordii | Henry W. Setzer
The femur is short and curved, and the articular ends are disproportionately large as judged by modern standards.Prehistoric Man | W. L. H. Duckworth
It never shows the mark of the ligamentous attachment to the head of the femur, which is seen in Mammals.Dragons of the Air | H. G. Seeley
British Dictionary definitions for femur
the longest thickest bone of the human skeleton, articulating with the pelvis above and the knee below: Nontechnical name: thighbone
the corresponding bone in other vertebrates
the segment of an insect's leg nearest to the body
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for femur
The long bone of the thigh or of the upper portion of the hind leg. See more at skeleton.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.