A certain breed of dog having short legs and a long trunk, including standard-sized, miniature (smooth-haired, long-haired, and short-haired) varieties.
A small toy dog, kept as household pet, whose light weight and companionable temperament make it both suited and disposed to spend time resting in the comfort of its master's lap; a dog bred to behave in this manner.
A person who behaves in a servile manner, such as a sycophantic employee or a fawning lover.