a break or interruption in the continuity of a work, series, action, etc.

a missing part; gap or lacuna

Scholars attempted to account for the hiatus in the medieval manuscript.

any gap or opening.

Grammar, Prosody . the coming together, with or without break or slight pause, and without contraction, of two vowels in successive words or syllables, as in see easily.

Anatomy . a natural fissure, cleft, or foramen in a bone or other structure.

noun

continuation , continuity

noun

aperture , blank , breach , break , chasm , discontinuity , gap , interim , interval , lacuna , lapse , opening , rift , space , void , interruption , lull , pause , time off