1. the mobile law enforcement arm of the Immigration and Naturalization Service that detects and prevents illegal entry of aliens into the United States; [syn: United States Border Patrol, US Border Patrol]
WordNet (r) 3.0 (2006):
US Border Patrol
n 1: the mobile law enforcement arm of the Immigration and
Naturalization Service that detects and prevents illegal
entry of aliens into the United States [syn: United States
Border Patrol, US Border Patrol]