Dictionary.com Thesaurus.com

soleus vs. gastrocnemius

soleus

[soh-lee-uhs] / ˈsoʊ li əs /

noun

solei, soleuses

a muscle in the calf of the leg, behind the gastrocnemius muscle, that helps extend the foot forward.

gastrocnemius

[gas-trok-nee-mee-uhs, gas-truh-nee-] / ˌgæs trɒkˈni mi əs, ˌgæs trəˈni- /

Anatomy.

gastrocnemii

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.