from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A shallow groove, depression, or furrow, as between the hemispheres of the brain.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A depression or groove in the anatomy.

from the GNU version of the Collaborative International Dictionary of English

  • n. A groove; a fossa.
  • n. One of the grooves, or hollows, between the ribs of the fruit of umbelliferous plants.

from The Century Dictionary and Cyclopedia

  • n. In anatomy, a depression or furrow.
  • n. In hot., a groove or furrow, as on the stems of Equisetum or between the ribs of an umbelliferous fruit; a stria

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. (anatomy) any furrow or channel on a bodily structure or part


Late Latin, diminutive of Latin vallēs, valley.
(American Heritage® Dictionary of the English Language, Fourth Edition)
New Latin, from valles (valley), 1859. (Wiktionary)


  • On the upper surface of the cerebellum the vermis is elevated above the level of the hemispheres, but on the under surface it is sunk almost out of sight in the bottom of a deep depression between them; this depression is called the vallecula cerebelli, and lodges the posterior part of the medulla oblongata.

    IX. Neurology. 4a. The Hind-brain or Rhombencephalon

  • The under surface of the cerebellum (Fig. 703) presents, in the middle line, the inferior vermis, buried in the vallecula, and separated from the hemisphere on either side by a deep groove, the sulcus valleculæ.

    IX. Neurology. 4a. The Hind-brain or Rhombencephalon


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