- tortoise - usually herbivorous land turtles having clawed elephant-like limbs; worldwide in arid area except Australia and Antarctica
--1 is a kind of turtle
--1 is a member of Testudinidae, family Testudinidae
--1 has particulars:European tortoise, Testudo graeca; giant tortoise; gopher tortoise, gopher turtle, gopher, Gopherus polypemus; desert tortoise, Gopherus agassizii; Texas tortoise