1rock·et 
/ˈrɑ:kət/ noun
plural rock·ets /ˈrɑ:kət/ noun 1 [count] : a type of very powerful engine that is powered by gases that are released from burning fuel
▪ a car powered by a rocket = a rocket-powered car — often used before another noun ▪ a rocket engine 2 [count] : a spacecraft or missile that is powered by a rocket engine
▪ a moon rocket ▪ antiaircraft rockets ▪ a rocket launcher 3 [count] : a firework that goes high in the air before exploding —called also skyrocket 4 [noncount] Brit : arugula
▪ a car powered by a rocket = a rocket-powered car — often used before another noun ▪ a rocket engine
▪ a moon rocket ▪ antiaircraft rockets ▪ a rocket launcher
