• Webster's Revised Unabridged Dictionary
    • n Omosternum (Anat) The anterior element of the sternum which projects forward from between the clavicles in many batrachians and is usually tipped with cartilage.
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Century Dictionary and Cyclopedia
    • n omosternum A median ossification developed in connection with the coracoscapular cartilages of a batrachian, supposed to represent the interclavicle of some other animals. See also cut under interclavicle.
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Chambers's Twentieth Century Dictionary
    • n Omosternum ō-mō-ster′num a median ossification of the coraco-scapular cartilages of a batrachian.
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Webster's Revised Unabridged Dictionary
Omo-, + sternum,
Chambers's Twentieth Century Dictionary
Gr. ōmos, the shoulder, sternon, the chest.


In literature:

The omosternum is calcified, widest anteriorly, and has a convex anterior edge.
"A Review of the Middle American Tree Frogs of the Genus Ptychohyla" by William E. Duellman