To roam through stealthily, as in search of prey or plunder: prowled the alleys of the city after dark.
To rove furtively or with predatory intent: cats prowling through the neighborhood.
The act or an instance of prowling.
On the prowl Actively looking for something: salespeople on the prowl for better jobs.
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.