Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The anterior part of the third ventricle of the brain leading to the lateral ventricles.

from The Century Dictionary and Cyclopedia

  • n. A court or hall.
  • n. [NL.] In anatomy, the anterior portion of the third ventricle of the brain, corresponding to the cavity of the primitive prosencephalon; a mesal portion of the common ventricular cavity of the brain; in the amphibian brain, the ventricle of the unpaired cerebral rudiment.
  • n. 3. [NL.] In zoology, the cavity of a colony of infusorians, as members of Volvox or Eudorina. A. Hyatt.

Etymologies

Latin aula ("forecourt") (Wiktionary)

Examples

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