Noun

1. A rocket engine.
2. A non-guided missile propelled by a rocket engine.
3. A vehicle propelled by a rocket engine.
4. A projectile firework.
5. An ace (the playing card).
6. An angry communication (such as a letter or telegram) to a subordinate.
   • 1980, David Schoenbrun, Soldiers of the Night: The Story of the French Resistance, Dutton, ISBN 9780525206637, page 203,

     While [Colonel Robert] Solborg and [Jacques] Lemaigre[-Dubreuil] were dreaming of revolts, [William Joseph “Wild Bill”] Donovan had learned of Solborg’s insubordination and meddling. He sent him a “rocket” ordering him out of North Africa and back to Lisbon at once. Solborg flew to Lisbon and then on to Washington to face out his problem with Donovan.

Verb

1. To accelerate swiftly and powerfully
2. To fly vertically
3. To rise or soar rapidly
4. To carry something in a rocket
5. To attack something with rockets

Etymology 2