takeoff rocket(n = noun.artifact) booster, booster rocket, booster unit, takeoff booster - the first stage of a multistage rocket;
is a kind of rocket, rocket engine
is a part of multistage rocket, step rocket

anti-submarine rocket, booster rocket, congreve rocket, dyer's rocket, garden rocket, multistage rocket, nuclear rocket, power takeoff, prairie rocket, research rocket, retro rocket, rocket, rocket base, rocket cress, rocket engine, rocket engineer, rocket firing, rocket fuel, rocket larkspur, rocket launcher, rocket launching, rocket power, rocket propellant, rocket propellent, rocket propulsion, rocket range, rocket salad, rocket scientist, sea rocket, sounding rocket, space rocket, step rocket, sweet rocket, takeoff, takeoff booster, tansy-leaved rocket, test rocket, wall rocket, water rocket, white rocket, yellow rocket