Lexic.us

Definition of Ornithoscelida

1. n. pl. A group of extinct Reptilia, intermediate in structure (especially with regard to the pelvis) between reptiles and birds.

Medical Definition of Ornithoscelida

1. A group of extinct Reptilia, intermediate in structure (especially with regard to the pelvis) between reptiles and birds. Ornithoscel"idan. Origin: NL, fr. Gr, a bird + a leg. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Ornithoscelida

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