frisk

Concise Oxford English Dictionary © 2008 Oxford University Press:
frisk/frɪsk/

▶verb

• 1 (of a police officer or official) pass the hands over (someone) in a search for hidden weapons or drugs.

• 2 (of an animal or person) skip or move playfully; frolic.

▶noun

• 1 a search by frisking.

• 2 a playful skip or leap.

– derivatives
frisker noun.

– origin C16: from obs. frisk ‘lively’, from OFr. frisque ‘alert, lively’.