Tortoise :  (noun)

1: usually herbivorous land turtles having clawed elephant-like limbs; worldwide in arid area except Australia and Antarctica

alligator, crocodile, crocodilian, dawdle, dawdler, dinosaur, drone, foot-dragger, gator, goldbrick, goof-off, laggard, lie-abed, lingerer, lizard, loiterer, plodder, procrastinator, reptile, reptilian, saurian, sleepyhead, slow goer, slow-foot, slowbelly, slowpoke, slug, sluggard, snail, stick-in-the-mud, terrapin, turtle,