The term SEA HUNTER is a crossword solution that can be broken down into two words: ORCA (4 letters) and SEA (3 letters). ORCA is the common name for the species of whale known as the killer whale, which is found in all oceans around the world. SEA is an abbreviation for the body of salt water that covers most of the Earth's surface. Together, SEA HUNTER refers to the killer whale, which is a powerful predator that hunts other marine animals.