The term CANINE CATEGORY can be broken down into three crossword solutions: SETTER (6 letters), BREED (5 letters), and TOY (3 letters). SETTER is a type of hunting dog, such as an English SETTER or Irish SETTER, that is used to locate game birds. BREED refers to a specific type of domesticated animal, such as a Labrador Retriever or German Shepherd, that has been selectively bred over generations for certain characteristics. TOY is a small BREED of dog, such as a Chihuahua or Pomeranian, that is kept as a pet. All of these terms are related to the canine category, which encompasses all types of dogs.