Found 2 items, similar to interstellar.
English → English (WordNet) Definition: interstellar interstellar adj : between or among stars; “the density of hydrogen in interplanetary and interstellar space”
English → English (gcide) Definition: Interstellar Interstellar \In`ter*stel"lar\, a. Between or among the stars; as, interstellar space. --Bacon. [1913 Webster]