WordNet (r) 3.0 (2006):
POW n 1: a person who surrenders to (or is taken by) the enemy in time of war [syn: prisoner of war, POW]Moby Thesaurus II by Grady Ward, 1.0:
19 Moby Thesaurus words for "POW": cageling, captive, chain gang, con, convict, detenu, ex-convict, gaolbird, internee, jailbird, lifer, parolee, political prisoner, prisoner, prisoner of war, stir bird, ticket-of-leave man, ticket-of-leaver, trusty