Definition of "ferret" in English

noun

1. An often domesticated mammal (Mustela putorius furo) rather like a weasel, descended from the polecat and often trained to hunt burrowing animals.

2. A black-footed ferret (Mustela nigripes).

3. (figurative) A diligent searcher.

verb

1. To hunt game with ferrets.

2. (by extension, ambitransitive) To uncover and bring to light by searching; usually to ferret out.

noun

1. (dated) A tape of silk, cotton, or ribbon, used to tie documents, clothing, etc. or along the edge of fabric.