hyperspace

Short definition from Wiktionary

Noun

1. 1
   An n-dimensional Euclidian space with n > 3.
2. 2
   A Euclidian space of unspecified dimension.
3. 3
   A notional space orthogonal to the usual dimensions of space-time often used for faster-than-light travel.

Verb

1. 1
   To travel or transport into hyperspace.