cornices Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition plural noun. 1 a molding at the corner between the ceiling and the top of a wall; 2 a decorative framework to conceal curtain fixtures at the top of a window casing Example Sentence The cornices in the ceiling are cracked and peeling. Synonyms molding; crown; framework Antonyms floor Hear It! Say It! Write It! cornices Switch to cursive Start Share with your friends: