2 definitions found

From WordNet (r) 2.0 [wn]:

airstream

noun

1: a relatively well-defined prevailing wind

2: the flow of air that is driven backwards by an aircraft propeller [syn: {slipstream}, {race}, {backwash}, {wash}]

From The Collaborative International Dictionary of English v.0.44 [gcide]:

airstream \air"stream'\ n.

1. a relatively well-defined prevailing wind. [WordNet 1.5]

2. the flow of air that is driven backwards by an aircraft propeller.

Syn: slipstream, race, backwash, wash [WordNet 1.5]
  Definitions retrieved from local copies of the freely distributed DICT client/server software and databases. Click here for database copyright information. -KM