What is the meaning of Ferret?

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

A black-footed ferret (Mustela nigripes).

A diligent searcher.

To hunt game with ferrets.

To uncover and bring to light by searching; usually to ferret out.

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

(metal) tag; aglet, aiguillette

third-person singular imperfect active subjunctive of ferō

Source: wiktionary.org