pet /(pĕt)/

pet

n.
  1. A cade lamb; a lamb brought up by hand.
  2. Any person especially cherished and indulged; a fondling; a darling; often, a favorite child; as, a teacher's pet.
    The love of cronies, pets, and favorites.
    — Tatler.
  3. A slight fit of peevishness or fretfulness.
  4. Any animal kept as a companion, usually in or around one's home, typically domesticated and cared for attentively and often affectionately. Distinguished from animals raised for food or to perform useful tasks, as a draft animal or a farm animal.

pet

a.
  1. Petted; indulged; favorite; admired; cherished; as, a pet child; a pet lamb; a pet theory; a pet animal.
    Some young lady's pet curate.
    — F. Harrison.

Phrases & Compounds
Pet cock
A little faucet in a water pipe or pump, to let air out, or at the end of a steam cylinder, to drain it.

Pet

v. t.

imp. & p. p. Petted; p. pr. & vb. n. Petting

  1. To treat as a pet; to fondle; to indulge; as, she was petted and spoiled.

Pet

v. i.
  1. To be a pet.