op·is·thog·na·thous

(ŏp′ĭs-thŏg′nə-thəs)

adj.

Having receding jaws or mouthparts directed backward.

[Greek opistho-, behind (from opisthen; see epi in Indo-European roots) + -gnathous.]

op′is·thog′na·thism n.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

opisthognathous

(ˌɒpɪsˈθɒɡnəθəs)

adj

1. (Zoology) (of a person or animal) having receding jaws

2. (Medicine) (of a person or animal) having receding jaws

[C19: from Greek opisthen behind + -gnathous]

ˌopisˈthognathism n

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ThesaurusAntonymsRelated WordsSynonymsLegend:

Adj.

opisthognathous - having receding jaws

hypognathous, prognathic, prognathous - having a projecting lower jaw

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References in periodicals archive

Since then, they have continued to receive attention due to their previously assumed basal phylogenetic position within Mecoptera, relatively unknown life history, undescribed larvae, and odd appearance relative to other Mecoptera (e.g., flattened body, opisthognathous head, and broad wings folded over the abdomen) [2, 3].

Report on a large collection of Merope tuber newman, 1838 (Mecoptera: Meropeidae), from Arkansas, with notes on collection technique, sex ratio, and male clasper size

In Laccocorinae, the front of the head is folded posteroventrally such that the labrum is set back from the anterior margin of the head giving an opisthognathous appearance (Fig.

Naucoridae Leach, 1815 (Hemiptera: Heteroptera) of Tanzania

If a person is opisthognathous what does he or she have?

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