from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Having the maxilla, or lower jaw, longer than the upper jaw.
from The Century Dictionary and Cyclopedia
- In ornithology, having the under mandible longer than the upper, as the black skin.,ner, Rhynchops nigra: applied either to the bird or to its beak. Coues. See cut under Rhynchops.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. having a projecting lower jaw
Ancient Greek from hypo- + -gnathous (Wiktionary)
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