from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Having jaws or mouthparts that project forward to a marked degree.

from The Century Dictionary.

  • Same as prognathic: opposed to opisthognathous and orthognathous.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective (Anat.) Having the jaws projecting beyond the upper part of the face; -- opposed to orthognathous. See Gnathic index, under gnathic.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective having jaws that project forward more than is usual

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

  • adjective having a projecting lower jaw


from Wiktionary, Creative Commons Attribution/Share-Alike License

pro- + -gnathous


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  • The facial part of the skull with a facial angle up to 82 is called prognathous; with an angle of 83 to

    The Catholic Encyclopedia, Volume 12: Philip II-Reuss 1840-1916 1913

  • The Australian skull belongs to that variety called the prognathous, or narrow elongated variety; yet it is not so striking an example of this variety as the Negro skull.

    The Bushman — Life in a New Country Edward Wilson Landor 1844

  • In order to discover the necessary area, Nature had given him an enormous prognathous jaw.

    The Mad God 2010

  • The rough hand of the New World had been laid upon the Scotsman from his boyhood; but sterling honesty was written in every line of his bitter-seamed face, while a prognathous jaw proclaimed to the onlooker that honesty was the best policy, -- for the onlooker at any rate, should he wish to do business with the owner of the jaw.

    CHAPTER 6 2010

  • Smith is an ape-like man with “an enormous prognathous jaw,” large yellow teeth, and eyes that are also yellow and muddy.

    Le Milieu, Le Moment, La Race: Literary Naturalism in Jack London's White Fang 2010

  • Does this mean that neither Bowen's prognathous jaw, nor his unmasticated prose, will dis-grace our screens in the future?

    On Thursday, the Legg report will be published along with... 2009

  • If your business is big, you get behind him and find a prognathous Westphalian with a retreating brow and the manners of a hog.

    [them] out of the closet 2009

  • If your business is big, you get behind him and find a prognathous Westphalian with a retreating brow and the manners of a hog.

    Archive 2008-01-01 2008

  • But it is singular to remark that, in another respect, the prognathous skulls are less ape-like than the orthognathous, the cerebral cavity projecting decidedly more beyond the anterior end of the axis in the prognathous, than in the orthognathous, skulls.

    Essays 2007

  • Southern Asia to Hindostan, would give us a sort of equator, around which round-headed, oval-headed, and oblong-headed, prognathous and orthognathous, fair and dark races — but none possessing the excessively marked characters of Calmuck or Negro — group themselves.

    Essays 2007


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