buttock

but·tock  (btk)

n.

1.

a. Either of the two rounded prominences on the human torso that are posterior to the hips and formed by the gluteal muscles and underlying structures.

b. The analogous part of the body on certain mammals.

2. buttocks The rear pelvic area of the human body.

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[Middle English, from Old English buttuc, strip of land, end; see bhau- in Indo-European roots.]

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buttock

Noun

1. either of the two large fleshy masses that form the human rump

2. the corresponding part in some mammals [perhaps from Old English buttuc round slope]

Thesaurus

Noun

1.

buttock - either of the two large fleshy masses of muscular tissue that form the human rump cheek body part - any part of an organism such as an organ or extremity torso, trunk, body - the body excluding the head and neck and limbs; "they moved their arms and legs and bodies" glute, gluteal muscle, gluteus, gluteus muscle - any one of three large skeletal muscles that form the buttock and move the thigh