Tortoise/ˈtɔːrtəs/ Definition 1 of 2Pro Tip 1/3Animal Species Specify tortoise type for clarity, like 'Galápagos tortoise' or 'desert tortoise'. I adopted a pet Russian tortoise. Pro Tip 2/3Metaphorical Use Used metaphorically to describe very slow progress or movement. This traffic is moving at a tortoise's pace! Pro Tip 3/3Cultural Symbol In some cultures, tortoises symbolize wisdom and longevity. To the villagers, the tortoise represents ancient knowledge.