1. airborne patrol a patrol provided by aircraft
  2. arbitrary based on or subject to individual discretion or preference
  3. harbor patrol patrol of officers who police a harbor area
  4. US Border Patrol the mobile law enforcement arm of the Immigration and Naturalization Service that detects and prevents illegal entry of aliens into the United States
  5. border patrol a group of officers who patrol the borders of a country
  6. arborolatry the worship of trees
  7. irreparable impossible to rectify or amend
  8. shore patrol the military police of the navy
  9. arboriculture the cultivation of tree for the production of timber
  10. irreparably in an irreparable manner or to an irreparable degree
  11. arboreal of or relating to or formed by trees
  12. airborne moved or conveyed by or through air
  13. arbitral relating to or resulting from arbitration
  14. aspirin powder a powdered form of aspirin
  15. Siberian pea tree large spiny shrub of eastern Asia having clusters of yellow flowers; often cultivated in shelterbelts and hedges
  16. arboretum a facility where trees and shrubs are cultivated
  17. European bittern a kind of bittern
  18. wire printer an impact printer in which each character is represented by a pattern of dots made by wires or styli
  19. peremptorily in an imperative and commanding manner
  20. air pressure the pressure exerted by the atmosphere