skyhook

Meanings

1. A hook imagined to be suspended in midair.
2. An overhead winch.
3. A helicopter that lifts and transports heavy objects suspended by a heavy cable.
4. A proposed momentum-exchange tether for launching payloads into low Earth orbit by hooking them to the end of a cable that reaches down from an orbiting station into the upper atmosphere.
5. A CB radio antenna.
6. A form of the overhead smash in which the eastern grip is used to hit the ball farther behind the body than usually possible.
7. A small hook for gripping small and slippery protrusions.
8. A device covering the rider's boot and sometimes screwed to the board, to facilitate jumping and enhance stability.

Etymology

From sky + hook.