Webster’s Revised Unabridged Dictionary · 1913
Glutæus
Glu·tæ′us, n. [NL. See Gluteal.] (Anat.) The great muscle of the buttock in man and most mammals, and the corresponding muscle in many lower animals.
☞ In man, the glutæus is composed of three distinct parts, which extend and abduct the thigh, and help support the body in standing.