What does PLK stand for?

Branson, MO - Location identifier - FAA (FAAL)

Kohistani Shina - Language code (ETLW)

Phi Lambda Kappa - Fraternity

Plank (AAG)

Plinker - NCIC firearms make code (NCIC)

Ploecker-Lee-Kesler - Equation of state

Plucky Little King - Used by Western diplomats in Amman in reference to King Hussein of Jordan

Poincare-Lighthill-Kuo - Method

Salomon, Inc. - AMEX symbol (SAG)

Salomon Inc. 6.125% PRI `ELKS' - AMEX symbol