(archaic, military) A body of cavalry and infantry, kept in motion, to cover its own garrisons and to keep the enemy in continual alarm.

plural of armoured car

Swiss Army knife

A sovereign state's army or military force that is too small to fundamentally protect the country, and could be considered to exist merely "for decoration".

(soccer) The fans of the Scottish national football team

Chlamyphorus truncatus, native to Argentina.

(humanities) a field of humanities covering Armenian history, language and culture

Synonym of Armenian SSR

(UK, slang) A chaotic, poorly-managed group.

(idiomatic) A weakness; a weak point (particularly of something formerly considered near-invincible or perfect).