A dog that is used to test another dog's fighting instinct. The "bait" is mauled or killed in the process.

A swimming stroke in the style of a dog swimming.

To swim using the dog paddle stroke.

plural of hot dog

(informal) A period of time in the life of dogs, defined such that the average life expectancy of a dog in "dog years" is numerically equivalent to the average life expectancy of a human. A 4- and a 5-year-old dog are about as mature as a human of 28 to 30 years and 33 to 35 years, respectively. The most common calcuation uses a ratio of seven dog years to one human year.

A high-pitched whistle, inaudible to humans, used to train dogs. / (figuratively) That which is understood only by a narrow demographic.

A collar for a dog. / (informal) A clerical collar. / A close-fitting woman's necklace.

(astronomy) A bluish-white star in the constellation Canis Major; Alpha (α) Canis Majoris A. A vertex of the Winter Triangle and the brightest star in the night sky. It is actually a binary star with a white dwarf companion star.

Alternative spelling of dogfight

a person who looks after sled dogs