- any of several small broad aquatic insect-eating hemipterous insects of the family Gelastocoridae, having toadlike characteristics.
Origin of toad bug
First recorded in 1900–05
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for toad bug
A small insect called the toad-bug (Galgulus) lives abundantly on the banks of a pond on the campus of Stanford University.Elementary Zoology, Second Edition
Vernon L. Kellogg