hiatus

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

Plural hiatus