Toy dog
Overview
 
Toy dog traditionally refers to a very small dog
Dog
The domestic dog is a domesticated form of the gray wolf, a member of the Canidae family of the order Carnivora. The term is used for both feral and pet varieties. The dog may have been the first animal to be domesticated, and has been the most widely kept working, hunting, and companion animal in...

 or a grouping of small and very small breeds
Dog breed
Dog breeds are groups of closely related and visibly similar domestic dogs, which are all of the subspecies Canis lupus familiaris, having characteristic traits that are selected and maintained by humans, bred from a known foundation stock....

 of dog. A toy dog may be of any of various dog type
Dog type
Dog types are broad categories of dogs based on function, with dogs identified primarily by specific function or style of work rather than by lineage or appearance....

s. Types of dogs referred to as toy dogs may include Spaniel
Spaniel
A spaniel is a type of gun dog. It is assumed spaniels originated from Spain as the word spaniel may be derived from Hispania or possibly from the French phrase "Chiens de l’Espagnol" . Spaniels were especially bred to flush game out of dense brush. By the late 17th century spaniels had become...

s, Pinscher
Pinscher
Pinscher is a type of dog developed originally as ratters on farms and for fighting or guarding, although today they are most often kept as pets.-Etymology:...

s and Terriers that have been bred down in size. Not all toy dogs are lapdogs
Lap dog
A lapdog or lap dog is a dog that is small enough to be held in the arms or lie comfortably on a person's lap. Lapdogs are not a specific breed, but is a generic term for a type of dog of small size and friendly disposition....

, although that is an important and ancient type of toy dog. The very smallest toy dogs are sometimes called teacup size, although no major dog registry recognizes that term.
Dogs referred to as toy dogs, and dogs found in the Toy Group
Toy Group
Toy Group is the name of a breed Group of the smallest kinds of dogs, used by kennel clubs to classify a defined collection of dog breeds. Toy Group does not necessarily refer to one particular type of dog. Most major English-language kennel clubs include a Toy Group although different kennel clubs...

of breed registries, may be of the very ancient lapdog
Lap dog
A lapdog or lap dog is a dog that is small enough to be held in the arms or lie comfortably on a person's lap. Lapdogs are not a specific breed, but is a generic term for a type of dog of small size and friendly disposition....

 type
Dog type
Dog types are broad categories of dogs based on function, with dogs identified primarily by specific function or style of work rather than by lineage or appearance....

, or they may be small versions of hunting dog
Hunting dog
A hunting dog refers to any dog who assists humans in hunting. There are several types of hunting dogs developed for various tasks. The major categories of hunting dogs include hounds, terriers, dachshunds, cur type dogs, and gun dogs...

s or working dog
Working dog
A working dog refers to a canine working animal, i.e., a type of dog that is not merely a pet but learns and performs tasks to assist and/or entertain its human companions, or a breed of such origin...

s, bred down in size for a particular kind of work or to create a pet
Pet
A pet is a household animal kept for companionship and a person's enjoyment, as opposed to wild animals or to livestock, laboratory animals, working animals or sport animals, which are kept for economic or productive reasons. The most popular pets are noted for their loyal or playful...

 of convenient size.
 
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