noun.a break in or as if in a material object: gap

• The … weedy hiatus between the town and the railroad.
• … the hiatus between the theory and the practice of the party …

noun.a gap or passage in an anatomical part or organ

• after a 5-year hiatus from writing
• a summer hiatus

noun.an interruption in time or continuity: break; especially: a period when something (such as a program or activity) is suspended or interrupted