- any of numerous aquatic beetles of the family Gyrinidae, commonly seen in groups circling about rapidly on the surface of the water.
Origin of whirligig beetle
First recorded in 1850–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- any flat-bodied water beetle of the family Gyrinidae, which circles rapidly on the surface of the water
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012