captions Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. 1 brief description accompanying an illustration; 2 a heading as of a chapter or section or document Example Sentence She read the captions under the pictures. Synonyms legend; written description; heading; headline; title Antonyms illustration Hear It! Say It! Write It! captions Switch to cursive Start Share with your friends: