cetaceans Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. a kind of mammal that lives in the water and has front limbs that look like paddles and back limbs that do not show. whales porpoises dolphins Example Sentence Whales and dolphins are cetaceans. Synonyms whales; porpoises; dolphins Antonyms dog Hear It! Say It! Write It! cetaceans Switch to cursive Start Share with your friends:
