Inaka Dictionary: 牛のおっぱい Cow Udder
Guess how you say “udder” in Japanese? “Oppai,” the same word used for womens’ breasts! So to be clear about what you’re talking about, you should probably say, “ushi no oppai,” or “cow breasts,” if that is what you mean.
We at Humor-Us find it very peculiar that the Japanese language would not have a special name for this very special, very cute, part of the heifer anatomy. It is possible that the Japanese don’t distinguish between cows and people?