What is the meaning of Frisking?

present participle and gerund of frisk

The act or an instance of checking someone's clothes and body for weapons or contraband.

The action or motion of one who frisks; a gambol.

(animal) sacrificial victim

Köbler, Gerhard, Althochdeutsches Wörterbuch, (6. Auflage) 2014

Source: wiktionary.org