Answer: wormhole

AnswerCrossword Clue
WORMHOLEHypothetical space-time shortcut
WORMHOLETheoretical connector of universes
WORMHOLETheoretical space passageway
WORMHOLEApple bug?
WORMHOLEHypothetical feature of the space-time continuum
WORMHOLEUnwelcome sight on an apple
WORMHOLETheoretical passageway in space
wormholea hole dug by a worm
wormholeA hypothetical connection between widely separated regions of space-time
wormholeA hole made by a burrowing insect larva or worm in wood, fruit, books, or other materials