Source : Webster's Revised Unabridged Dictionary (1913)

Gluteus \Glu*te"us\, n. [NL.] (Anat.)
   Same as {Glut[ae]us}.

Source : WordNet®

gluteus
     n : any one of three large skeletal muscles that form the
         buttock and move the thigh [syn: {gluteus muscle}, {gluteal
         muscle}, {glute}]
     [also: {glutei} (pl)]