frisk (v.)

1510s, "to dance, frolic," from Middle English adjective frisk "lively" (mid-15c.), from Old French frisque "lively, brisk," also "fresh, new; merry, animated" (13c.), which is ultimately from a Germanic source (compare Middle Dutch vrisch "fresh," Old High German frisc "lively;" see fresh (adj.1)). Sense of "pat down in a search" first recorded 1781. Related: Frisked; frisking. As a noun, "a frolic, a gambol," from 1520s.

Others are reading

Definitions of frisk from WordNet
frisk (v.)
play boisterously;
Synonyms: frolic / lark / rollick / skylark / disport / sport / cavort / gambol / romp / run around / lark about
frisk (v.)
search as for concealed weapons by running the hands rapidly over the clothing and through the pockets;
The police frisked everyone at the airport
frisk (n.)
the act of searching someone for concealed weapons or illegal drugs;
he gave the suspect a quick frisk
Synonyms: frisking