[ noun ] mammary gland of bovids (cows and sheep and goats) <noun.animal>
Udder \Ud"der\, n. [OE. uddir, AS. [=u]der; akin to D. uijer, G. euter, OHG. [=u]tar, [=u]tiro, Icel. j[=u]gr, Sw. jufver, jur, Dan. yver, L. uber, Gr. o"y^qar, Skr. [=u]dhar. [root]216. Cf. {Exuberant}.] 1. (Anat.) The glandular organ in which milk is secreted and stored; -- popularly called the {bag} in cows and other quadrupeds. See {Mamma}.
A lioness, with udders all drawn dry. --Shak.
2. One of the breasts of a woman. [R.]
Yon Juno of majestic size, With cowlike udders, and with oxlike eyes. --Pope.
Indeed, her udder was dry because she was heavily pregnant with her fifth calf.