The term 'CERTAIN WHALE' can be solved by the three letter word 'ORC'. Orcas, also known as killer whales, are a species of toothed whale that are found in all oceans around the world. They are highly social animals and live in large pods. Orcas are apex predators and feed on fish, squid, and other marine mammals. They are known for their intelligence and have been observed using tools and cooperating with each other to hunt.