PET

noun

1. An animal kept as a companion.
2. (by extension) Something kept as a companion, including inanimate objects. (pet rock, pet plant, etc.)
3. One who is excessively loyal to a superior.

verb

1. To stroke or fondle (an animal).
2. To stroke or fondle (another person) amorously.
3. Of two or more people, to stroke and fondle one another amorously.

adjective

1. Favourite; cherished; the focus of one's (usually positive) attention.
2. Kept or treated as a pet.