Musteline mammal of prairie regions of United States; nearly extinct.

synonyms: black-footed ferret, Mustela nigripes.

Polish: tchórz czarnołapy, tchórz czarnonogi

Domesticated albino variety of the European polecat bred for hunting rats and rabbits.

Dutch: fret
Polish: fretka

Hound or harry relentlessly.

Hunt with ferrets.

Search and discover through persistent investigation:
— She ferreted out the truth.

synonym: ferret out.

Dutch: nasnuffelen, naspeuren, navorsen, nawroeten, rondsnuffelen