jet' stream"

1. strong, generally westerly winds concentrated in a relatively narrow and shallow stream in the upper troposphere of the earth.
2. similar strong winds in the atmosphere of another planet: jet streams on Jupiter.
3. the exhaust of a jet or rocket engine.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

Jet Skijettison
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