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

Any dog, such as a husky, that pulls a sled as part of a team.

(idiomatic) A miserable, wretched existence. / (idiomatic) A life of indolence where the individual may do as he or she pleases, just like a pampered dog.

A peg placed in a hole in a workbench to clamp a workpiece in place

(colloquial, dated) A womanizer.

plural of dog year