hiatal(redirected from hiatal hernia, hiatus hernia)
Also found in: Medical.
n. pl. hi·a·tus·es or hiatus
1. A gap or interruption in space, time, or continuity; a break: "We are likely to be disconcerted by ... hiatuses of thought" (Edmund Wilson).
2. Linguistics A slight pause that occurs when two immediately adjacent vowels in consecutive syllables are pronounced, as in reality and naive.
3. Anatomy A separation, aperture, fissure, or short passage in an organ or body part.
[Latin hiātus, from past participle of hiāre, to gape.]
hi·a′tal (-āt′l) adj.
of, pertaining to, or involving a hiatus.