Lexic.us

Definition of Hypognathous

1. Adjective. Having a projecting lower jaw.

Definition of Hypognathous

1. Adjective. (zoology) Having the maxilla, or lower jaw, longer than the upper jaw. ¹

¹ Source: wiktionary.com

Medical Definition of Hypognathous

1. Having a congenitally defectively developed lower jaw. Origin: hypo-+ G. Gnathos, jaw (05 Mar 2000)

Lexicographical Neighbors of Hypognathous

Literary usage of Hypognathous

Below you will find example usage of this term as found in modern and/or classical literature:

1. Applied Entomology; an Introductory Text-book of Insects in Their Relations by Henry Torsey Fernald (1921)
"the mouth beneath are called hypognathous: those with it in front are prognathous. Structures found on the head are a pair of antennae, the two compound ..."

2. Proceedings of the Biological Society of Washington by Biological Society of Washington (1915)
"Head vertical, moderately movable, usually with large compound eyes and three ocelli. Antenn» slender, four- to nine-segmented. Mouth parts hypognathous ..."

3. A Manual of the Vertebrate Animals of the Northern United States: Including by David Starr Jordan (1899)
"hypognathous. Having the lower mandible longer than the upper, as in the Black Skimmer. Imbricate. Overlapping, like shingles on a roof. Imperforate. ..."

4. The Birds of Eastern North America Known to Occur East of the Nineteenth by Charles Barney Cory, Field Museum of Natural History (1899)
"Upper mandible longer than lower; the tip bent or hooked over the end of lower mandible. (Examples : Hawks, Gulls, Petrels, Parrots.) 2. hypognathous. ..."

5. Catalogue of the Birds in the British Museum by Richard Bowdler Sharpe, British Museum (Natural History). Dept. of Zoology (1896)
"... upper freely movable, the under considerably exceeding the upper in length ]'. 1 •">-'. c. Bill with the upper mandible longer and bent (hypognathous) ..."

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