Ferret [noun]

In each cage, the ferrets who received the placebo contracted the virus, and the ferrets who received the treatment did not contract the virus.

Infected ferrets — an animal commonly used to study influenza because ferrets exhibit similar symptoms as people — can also get sick and pass the virus to other ferrets.

A soldier is not a conjurer that he should be handed over a fully laden ship and told to ferret out a fuse key.

Where you like; there must be two or three remaining in the neighborhood, so ferret them out and bring them here.

Oh, if he'd a notion I was within twenty miles of him, he'd ferret me out to pay off old grudges.

I stuck my hand down, and it was given a vicious bite by a white, pink-eyed ferret Paul was carrying there.

He was endeavoring to pierce the darkness with his ferret eyes, when the chimes of a neighboring church clock struck twelve.

She said it suddenly, hurling the news among them and waiting ferret-like for some indications in the chorus that broke out.

The ermine is but little larger than the English ferret, while the sable and marten are the size of large polecats.

We cannot even begin to ferret out and discuss all the psychological problems that are concealed behind these bland tables.