OAS

1. Organisation de l’Armée Secrète (French), an organization of French settlers who opposed Algerian independence in the early 1960s
2. Organization of American States

oas

On active service

• Atropa
• atrophic
• armourers
• armouries
• armouring
• armourless
• armour of proof
• armour-plate
• armour-plated
• armour-plates
• armour-plating
• armours
• armoury
• armozeen
• armozeens
• armozine
• armozines
• armpit
• armpits
• armrest
• armrests
• arms
• arms control
• arms controls
• arms-length