ballistic missile

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A projectile that assumes a free-falling trajectory after an internally guided, self-powered ascent.

from the GNU version of the Collaborative International Dictionary of English.

• noun A rocket-propelled missile of long range which is guided only during the powered portion of its flight, which usually takes only a small part of the total flight time; -- contrasted with guided missile.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun weaponry A missile that is initially guided, but then follows a ballistic (freely falling) trajectory.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a missile that is guided in the first part of its flight but falls freely as it approaches target