1.VerbTo rove over, through, or about in a stealthy manner; especially, to search in, as for prey or booty.
"Watch the lioness prowling in the shrubbery for zebras.; It's easy to sneak vandalism into Wiktionary as there are few other users prowling the Recent Changes page."
2.VerbTo idle; to go about aimlessly.
"That dandy has nothing better to do than prowl around town all day in his pinstripe suit."