from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. having both mandibles of equal length, with the tips meeting, as in certain birds
from the GNU version of the Collaborative International Dictionary of English
- adj. Having both mandibles of equal length, the tips meeting, as in certain birds.
from The Century Dictionary and Cyclopedia
- In ornithology, having both mandibles of equal length, their tips falling together: said of the beaks of birds, and of the birds themselves.
para- + -gnathous (Wiktionary)