wormhole
Concise Oxford English Dictionary © 2008 Oxford University Press:
wormhole/ˈwɜːmhəʊl/
▶noun
- 1 a hole made by a burrowing insect larva or worm in wood, fruit, etc.
- 2 Physics a hypothetical connection between widely separated regions of space–time.
'wormhole' also found in these Oxford entries:

