a large frog, especially the North American Rana catesbeiana, having a deep voice.
Historical Examples

Mr. Opp Alice Hegan Rice
Cornell Nature-Study Leaflets Various
My Adventures with Your Money George Graham Rice
The Incendiary W. A. (William Augustine) Leahy
My Adventures with Your Money George Graham Rice
Cape Cod Henry D. Thoreau
The Children’s Book of Thanksgiving Stories Various
Field Study of Kansas Ant-Eating Frog Henry S. Fitch
Myths of the Cherokee James Mooney
Travels Through North America, v. 1-2 Berhard Saxe-Weimar Eisenach

any of various large frogs, such as Rana catesbeiana (American bullfrog), having a loud deep croak

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