from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A soft membraneous spot on the head of a baby due to incomplete fusion of the cranial bones.

from the GNU version of the Collaborative International Dictionary of English

  • n. Same as fontanel, 2.

from The Century Dictionary and Cyclopedia

  • n. In pathology, an opening for the discharge of pus.
  • n. A vacancy between bones of the skull of a young animal, due to incompleteness of the process of ossification.
  • n. Some similar opening between other bones, as in the scapular arch of some batrachians.
  • n. Also fontinel.

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

  • n. any membranous gap between the bones of the cranium in an infant or fetus


Old French fontenelle. (Wiktionary)



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  • The soft spot on an infant's head.

    October 28, 2007