hiatus

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hiatus

 [hi-a´tus] (L.)
an opening, gap, or cleft. adj., adj hia´tal.
aortic hiatus (hiatus aor´ticus) the opening in the diaphragm through which the aorta and thoracic duct pass.
esophageal hiatus (hiatus esophage´us) the opening in the diaphragm for the passage of the esophagus and the vagus nerves.

hi·a·tus

(hī-ā'tŭs), [TA] The plural of this word is hiatus, not hiati.
An aperture, opening, or foramen.
[L. an aperture, fr. hio, pp. hiatus, to yawn]

hiatus

(hī-ā′təs)
n. pl. hia·tuses 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.

hi·a′tal (-āt′l) adj.

hi·a·tus

, pl. hiatus (hī-ā'tŭs) [TA]
An aperture, opening, or foramen.
[L. an aperture, fr. hio, pp. hiatus, to yawn]

hiatus

A gap or abnormal space.

hi·a·tus

, pl. hiatus (hī-ā'tŭs) [TA]
An aperture, opening, or foramen.
[L. an aperture, fr. hio, pp. hiatus, to yawn]