Definitionen
1.NounA gap in a series, making it incomplete.
2.NounAn interruption, break, pause or absence."The band decided to go on hiatus, citing creative differences."
3.NounAn temporary break from work, especially one which is unexpected.
4.NounA gap in geological strata.
5.NounAn opening in an organ."Hiatus aorticus is an opening in the diaphragm through which aorta and thoracic duct pass."
6.NounA syllable break between two vowels, without an intervening consonant.