[ soh-lee-uhs ]

noun,plural so·le·i [soh-lee-ahy], /ˈsoʊ liˌaɪ/, so·le·us·es.
  1. a muscle in the calf of the leg, behind the gastrocnemius muscle, that helps extend the foot forward.

Origin of soleus

1670–80; <New Latin, masculine derivative of Latin solea sandal; see sole2 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023