adjective
Definition: Relating to something that is favored or cherished, often used to describe a topic or name that someone particularly loves or cares about.
Example: She gave her dog a pet name that showed her affection.
noun
Definition: An animal that is kept at home for enjoyment and companionship, rather than for work or food.
Example: I have a pet cat that loves to play with toys.
transitive verb
Definition: To stroke or gently touch someone or something, often in a loving or affectionate way.
Example: She loves to pet her cat while watching TV.