| black-footed ferret | (n) musteline mammal of prairie regions of United States; nearly extinct, Syn. Mustela nigripes, ferret |
| Black-footed ferret | n. a weasellike mammal (Mustela nigripes) inhabiting the western North American prairie, having dark feet, a dark-tipped tail, and a dark face on a yellowish-brown coat. It is an endangered species. [ PJC ] |