Definitions

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

  • n. The top of a bird's head, extending from the base of the bill to the nape.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The top of a bird's head

from The Century Dictionary and Cyclopedia

  • n. In ornithology, the cap or whole top of the head, from the base of the bill to the nape, and laterally about to the level of the upper border of the eyes.
  • n. In human anatomy, a cerebral hemisphere.

Etymologies

New Latin pīleum, from Latin pīleus, felt cap.
(American Heritage® Dictionary of the English Language, Fourth Edition)

Examples

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  • Regarding Etymologies (above), pῑleum is Classical Latin instead of New Latin. This Classical Latin word was also frequently written pῑleus, pilleus or pilleum and was even spelled pῑlleum according to one dictionary.

    August 11, 2011