any creative group active in the innovation and application of new concepts and techniques in a given field (especially in the arts)

[ Syn: avant-garde , vanguard , new wave ]

the leading units moving at the head of an army

[ Syn: vanguard ]

(Great Britain) a closed railroad car that carries baggage or freight

a camper equipped with living quarters

[ Syn: caravan ]

a truck with an enclosed cargo space