[gas-trok-nee-mee-uh s, gas-truh-nee-]

noun, plural gas·troc·ne·mi·i [gas-trok-nee-mee-ahy, gas-truh-nee-] /ˌgæs trɒkˈni miˌaɪ, ˌgæs trəˈni-/. Anatomy.

the largest muscle in the calf of the leg, the action of which extends the foot, raises the heel, and assists in bending the knee.

Nearby words

  1. gastro-omental artery,
  2. gastro-pub,
  3. gastroanastomosis,
  4. gastrocardiac,
  5. gastrocele,
  6. gastrocoel,
  7. gastrocolic,
  8. gastrocolic omentum,
  9. gastrocolic reflex,
  10. gastrocolitis

Origin of gastrocnemius

1670–80; < New Latin < Greek gastroknēm(ía) calf of the leg + Latin -ius noun suffix

Related formsgas·troc·ne·mi·al, gas·troc·ne·mi·an, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for gastrocnemius

Word Origin and History for gastrocnemius



1670s, from Latinized form of Greek gastroknemia "calf of the leg," from gaster "belly" (see gastric) + kneme "leg." So called for its form. Related: Gastrocnemical.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for gastrocnemius


[găs′trŏk-nēmē-əs, găs′trə-]

n. pl. gas•troc•ne•mi•i (-mē-ī′)

A muscle with its origin from the lateral and medial condyles of the femur, with insertion with the soleus muscle by the Achilles tendon into the lower half of the posterior surface of the calcaneus, with nerve supply from the tibial nerve, and whose action causes plantar flexion of the foot.

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