any of the several large monitor lizards of the family Varanidae, of Australia, especially Varanus varius and V. giganteus, both sometimes growing to 6 feet (1.8 meters).
Origin of goanna
First recorded in 1795–1805; aphetic form of iguana
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for goanna
Historical Examples of goanna
The monitor is popularly known as the goanna, a name derived from the iguana, an entirely different animal.
any of various Australian monitor lizards
Australian slang a piano
Word Origin for goanna
C19: sense 1 changed from iguana; sense 2 from rhyming slang pianna
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