s]
| 1. | a break or interruption in the continuity of a work, series, action, etc. |
| 2. | a missing part; gap or lacuna: Scholars attempted to account for the hiatus in the medieval manuscript. |
| 3. | any gap or opening. |
| 4. | 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. |
| 5. | Anatomy. a natural fissure, cleft, or foramen in a bone or other structure. |

hiatus hi·a·tus (hī-ā'təs)
n. pl. hiatus or hi·a·tus·es
An aperture or fissure in an organ or a body part.
A foramen.