from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The passage between the iter and optocoele in the brain.

from the GNU version of the Collaborative International Dictionary of English

  • n. The passage between the iter and optocœle in the brain.

from The Century Dictionary and Cyclopedia

  • n. The orifice by which each paraqueduct or optic ventricle of the brain communicates with the aqueduct of Sylvius.
  • n. A perforation in the capsule membrane of a radiolarian.


New Latin, from Ancient Greek an entrance. (Wiktionary)


  • Bruzeau points out that in the background of Saunière’s altar piece there is an arch and column: in Celtic the first is pyla, in Latin the second is pila—phonetically pointing to the area of Le Pilat.

    The Templar Revelation

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