Phocine is an adjective used to describe anything related to or resembling a seal. Some synonyms for phocine include pinniped, aquatic mammal, sea lion, and seal-like. These words all describe animals that are primarily found in or near water and have features such as flippers, blubber, and streamlined bodies that help them swim. The word phocine comes from the Greek word phokis, which means "seal." While it is a specific term, it can be helpful to use synonyms to describe things in different ways or to avoid repetition in writing.