| 1. | Classical Mythology. one of a race of monsters having the head, trunk, and arms of a man, and the body and legs of a horse. |
| 2. | (initial capital letter ) Astronomy. the constellation Centaurus. |
| 3. | a skillful horseman or horsewoman. |
| 4. | (initial capital letter ) Rocketry. a U.S. upper stage, with a restartable liquid-propellant engine, used with an Atlas or Titan booster to launch satellites and probes. |
