Noun
Initialism of preacher's kid, pastor's kid or priest's kid: the child of a clergyman and/or clergywoman, especially Protestant.
(parapsychology) Initialism of psychokinesis.
(computing, databases) Initialism of primary key.
(video games, roleplaying games) Initialism of player kill(er/ing).
(American football) Initialism of placekicker.
(US, soccer) Initialism of penalty kick.
(ice hockey) Initialism of penalty kill(ing).
(biochemistry) Initialism of protein kinase.
(informal, pharmacology) Initialism of painkiller.
(medicine) Initialism of penetrating keratoplasty.
pk (plural pks)
Abbreviation of pack.