- 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.)