1. Having a shell that forms a spiral

See also: shelled

• armour-plated
• armoured
• armoured car
• armoured catfish
• armoured combat vehicle
• armoured personnel carrier
• armoured scale
• armoured sea robin
• armoured vehicle
• armourer
• armoury
• armpit
• armrest
• arms
• arms control
• arms deal
• arms industry
• arms manufacturer
• arms race
• arms-runner
• Armstrong
• army
• army ant
• army attaché
• army base