Definitions

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

  • n. A stupid person; a blockhead.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Someone stupid.
  • n. Any of several species of Australian songbirds of the genus Pachycephala.

from the GNU version of the Collaborative International Dictionary of English

  • n. A thick-headed or stupid person.
  • n. Any one of several species of Australian singing birds of the genus Pachycephala. The males of some of the species are bright-colored. Some of the species are popularly called thrushes.

from The Century Dictionary and Cyclopedia

  • n. A stupid fellow; a blockhead; a numskull.
  • n. In ornithology: A shrike-like bird of the subfamily Pachycephalinæ. See cut under Pachycephala.
  • n. A scansorial barbet of the subfamily Capitoninæ. Coues. See cut under Capito.

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

  • n. Australian and southeastern Asian birds with a melodious whistling call

Etymologies

thick +‎ head (Wiktionary)

Examples

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  • Older term for Pachycephala genus of birds.

    January 9, 2009