• Webster's Revised Unabridged Dictionary
    • n. pl Monocondyla (Zoöl) A group of vertebrates, including the birds and reptiles, or those that have only one occipital condyle; the Sauropsida.
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Century Dictionary and Cyclopedia
    • n monocondyla The Reptilia and Aves (reptiles and birds) collectively: so called from the single occipital condyle characteristic of these classes among the higher vertebrates. The term indicates a group exactly conterminous with Sauropsida. Opposed to Amphicondyla.
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Webster's Revised Unabridged Dictionary
NL. See Mono-, and Condyle