pet

(noun): An animal kept as a companion.
(noun): (by extension) Something kept as a companion, including inanimate objects. (pet rock, pet plant, etc.)
(noun): One who is excessively loyal to a superior.
(noun): Any person or animal especially cherished and indulged; a darling.
(verb): To stroke or fondle (an animal).
(verb): To stroke or fondle (another person) amorously.
(verb): Of two or more people, to stroke and fondle one another amorously.
(verb): To treat as a pet; to fondle; to indulge.
(verb): To be a pet.
(verb): To be peevish; to sulk.
(adjective): Favourite; cherished; the focus of one's (usually positive) attention.
(adjective): Kept or treated as a pet.