I believe the phrasal verb he is looking for is "to pat down". It's not as thorough as a cavity search, it simply involves patting the clothed body with the hands to try to identify any prohibited or dangerous items.
In the UK, we would go from a pat down/rub down, to a strip search, to a cavity search (each one is more thorough than the last). As you can see "pat down" can be both a verb and a noun.
Probus, I don't think anyone was being coy. I was asleep! I was waiting for a response to my question determining whether or not this was homework before I gave my response.