[ fee-mer ]
/ ˈfi mər /

noun, plural fe·murs, fem·o·ra [fem-er-uh] /ˈfɛm ər ə/.

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.


Nearby words

  1. femoral triangle,
  2. femoral vein,
  3. femorotibial,
  4. femto-,
  5. femtometer,
  6. fen,
  7. fen-phen,
  8. fenagle,
  9. fence,
  10. fence in

Origin of femur

1555–65; < Latin: thigh

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for femora

British Dictionary definitions for femora


/ (ˈfiːmə) /

noun plural femurs or femora (ˈfɛmərə)

the longest thickest bone of the human skeleton, articulating with the pelvis above and the knee belowNontechnical name: thighbone
the corresponding bone in other vertebrates
the segment of an insect's leg nearest to the body

Word Origin for femur

C18: from Latin: thigh

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

Word Origin and History for femora



1560s, from Latin femur "thigh," of unknown origin; borrowed first as an architectural term, 1799 as "thighbone."

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for femora


[ fēmər ]

n. pl. fe•murs

The long bone of the thigh, and the longest and strongest bone in the human body, situated between the pelvis and the knee and articulating with the hipbone and with the tibia and patella.thighbone

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for femora


[ fēmər ]

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.