bullfrog

Noun

bull=frog

CIDE DICTIONARY

bullfrog, n.

A very large species of frog (Rana Catesbiana), found in North America; -- so named from its loud bellowing in spring. [1913 Webster]

bullfrog, n. a large frog, Rana catesbiana, native to N. America, with a bellowing croak.

For further exploring for "bullfrog" in Webster Dictionary Online

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