[ kal-key-nee-uh s ]
/ kælˈkeɪ ni əs /

noun, plural cal·ca·ne·i [kal-key-nee-ahy] /kælˈkeɪ niˌaɪ/.

Anatomy. the largest tarsal bone, forming the prominence of the heel.
Zoology. the corresponding bone in other vertebrates.

Nearby words

  1. calcaneocuboid ligament,
  2. calcaneodynia,
  3. calcaneonavicular,
  4. calcaneotibial,
  5. calcaneum,
  6. calcar,
  7. calcarate,
  8. calcareous,
  9. calcareous conjunctivitis,
  10. calcareous degeneration

Also calcaneum.

Origin of calcaneus

1920–25; < Late Latin: heel, noun use of calcāneus of the heel; see calcaneum

Also called heel bone.

Related formscal·ca·ne·al, cal·ca·ne·an, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for calcaneus

  • If there is a bony projection from the calcaneus, it should be shaved off with the chisel.

    Manual of Surgery|Alexis Thomson and Alexander Miles
  • The tendo-calcaneus is detached from the calcaneus, the bursa dissected out, and the tendon replaced.

    Manual of Surgery|Alexis Thomson and Alexander Miles
  • A second diagnostic point is the abnormal position of the calcaneus and scaphoid with relation to the malleoli and astragalus.

British Dictionary definitions for calcaneus


calcaneum (kælˈkeɪnɪəm)

/ (kælˈkeɪnɪəs) /

noun plural -nei (-nɪˌaɪ) or -nea (-nɪə)

the largest tarsal bone, forming the heel in manNontechnical name: heel bone
the corresponding bone in other vertebrates
Derived Formscalcaneal or calcanean, adjective

Word Origin for calcaneus

C19: from Late Latin: heel, from Latin calx heel

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 calcaneus



from Latin (os) calcaneum "bone of the heel," from calcem (nominative calx (1)) "heel."

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for calcaneus


[ kăl-kānē-əs ]

n. pl. cal•ca•ne•i (-nē-ī′)

The quadrangular bone at the back of the tarsus, the largest of the tarsal bones.heel bone
Related formscal•cane•al adj.

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