tunas Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition plural noun. large fish that live in warm seas. Example Sentence The tunas swim together in the ocean. More Example Sentences Many tunas are caught for food. Synonyms fish; seafood; catch Antonyms shark; whale Hear It! Say It! Write It! tunas Switch to cursive Start Share with your friends: