slipstream

Short definition from Wiktionary

Noun

1. 1
   The low-pressure zone immediately following a rapidly moving object, caused by turbulence.
2. 2
   A generated advantage which makes forward movement easier.
3. 3
   The relative wind experienced as a result of movement through air.
4. 4
   The airflow over a propeller-driven aircraft generated by the motion of its propeller(s).
5. 5
   A genre of fantastic or non-realistic fiction that crosses conventional genre boundaries.

Verb

1. 1
   To take advantage of the suction produced by a slipstream by travelling immediately behind the slipstream generator.
2. 2
   To incorporate additional software (such as patches) into an existing installer.