Crossword Genius

Sci-fi passageway (8)

Ross

I believe the answer is:

wormhole

(Other definitions for wormhole that I've seen before include "Space made by burrowing limbless creature" , "Cavity make in wood by burrowing larvae" , "In theory, shortcut in space" , "could be ruined?" , "Hypothetical link across space-time" .)

I've seen this clue in the Universal and the USA Today.
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