a tree frog, Hyla crucifer, having an X-shaped mark on the back and voicing a shrill call commonly heard near ponds and swamps of eastern North America in the early spring.
Words nearby spring peeper
Origin of spring peeper
An Americanism dating back to 1905–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019