Gnathotheca definitions

Gnathotheca

• (n.) The horney covering of the lower mandible of a bird.
Found on http://thinkexist.com/dictionary/meaning/gnathotheca/

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Gnathotheca

Gnath`o·the'ca noun ; plural GnathothecÆ . [ New Latin , from Greek gna`qos the jaw + ... a box.] (Zoology) The horney covering of the lower mandible of a bird.
Found on http://www.encyclo.co.uk/webster/G/39

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