A weasellike, usually albino mammal (Mustela putorius furo) related to the polecat and often trained to hunt rats or rabbits.
A black-footed ferret.
To hunt (rabbits, for example) with ferrets.
To drive out, as from a hiding place; expel.
To uncover and bring to light by searching. Often used with out: "Their work merely points the way for others to ferret out the core components of all proteins” ( Natalie Angier).
To hound or harry persistently; worry.
To engage in hunting with ferrets.
To search intensively.
A narrow piece of tape used to bind or edge fabric.