noun, plural grac·i·les [gras-uh-leez] /ˈgræs əˌliz/. Anatomy.
  1. a muscle in the inner side of the thigh, the action of which assists in drawing the legs inward and in bending the knee.

Origin of gracilis

1605–15; < New Latin; Latin: gracile Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for gracilis

Historical Examples of gracilis