abbr.
[军] Armored Command Vehicle, 装甲指挥车
abbr.
[军] Air Cushion Vehicle, 气垫车
abbr.
[军] Armored Cannon Vehicle, 装甲加农炮车

hovercraft \hov"er*craft\, n.
A vehicle that rides over water or land supported by the
pressure of a stream of air generated by downward-thrusting
fans, and is propelled forward by an air propeller; also
called {ACV} and {air-cushioned vehicle}. [Mostly found in
Great Britain]
[PJC]