- any of several large tortoises of the genus Geochelone, of the Galápagos Islands and islands near Madagascar: some are endangered.
Origin of giant tortoise
First recorded in 1910–15
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- any of various very large tortoises of the genus Testudo, of the Galápagos, Seychelles, and certain other islands, weighing up to 225 kilograms (495 lbs.)
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