Every spring, dog's tooth violets carpet the woodland floor with delicate, mottled blooms.

On a dog day, we walked slowly home, searching for any patch of shade.

The airport security relied on a sniffer dog to find concealed drugs and explosives during the late-night shift.

The old sea dogs gathered on the pier to swap stories of storms and distant ports.

The sea-dogs on the old wharf swapped stories of storms and narrow escapes late into the night.

He decided to dog around his boss until he got a promotion.

During the meeting, those dogs in mangers refused to share the extra vacation days with colleagues who needed them more.

At the annual meeting, the top dogs decided the company's strategy for the next five years.

A faded sign reading "dog and bones" hung above the tiny antique shop.

When I visited the adoption center, a friendly shelter dog followed me around the yard.