mudpuppies Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. A type of aquatic salamander found in North America. Example Sentence The children were excited to see mudpuppies in the pond during their field trip. Synonyms waterdog; Necturus; Proteus Antonyms land animal; terrestrial creature Hear It! Say It! Write It! mudpuppies Switch to cursive Start Share with your friends: