an udder or breast or teat
"The cow refused to move until the farmer gently dug at her side to help her stand up."
A mammary gland on a domestic mammal with more than two breasts.
"The farmer noticed an extra dug on the heifer that wasn't visible until she gave birth to her third calf."
simple past tense and past participle of dig (replacing earlier digged)
"After hours of searching, he finally dug up the lost ring buried in the garden soil."
The word dug comes from an earlier form meaning "pap" or "teat," which is connected to related words in Danish, Swedish, and Old English that all mean "to suckle." Its original sense refers to the female breast.