bullfrog

Meanings

1. 1
   noun

   a large frog, especially the North American species Lithobates catesbeianus, whose deep call resembles a bull's bellow

   A bullfrog gave a deep call from the reeds at the pond's edge.

2. 2
   noun

   any of several large frogs with a similarly deep, resonant call

   The wetland survey recorded two local species commonly called bullfrogs.

A compound of bull + frog, named for the male's deep, booming call, which was compared to the bellow of a bull. The name is used especially for the large North American bullfrog and more broadly for other large, deep-calling frogs.

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