A pink, sometimes black or white, mound of flesh found on the underside of cattle such as [[cow]], [[sheep]] and [[deer]] that produce [[milk]].

Humans usually [[hand milking|hand milk]] or attach a [[milking machine]] to this area in order to obtain milk.

For more information, look here "udder":http://en.wikipedia.org/wiki/Udder

The equivalent of [[breasts]] in humans.