genoise Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. a light and airy sponge cake made with eggs and sugar. Example Sentence Mom makes a great genoise. More Example Sentences Genoise can be layered with cream or fruit. Synonyms sponge cake; cake; dessert Hear It! Say It! Write It! genoise Switch to cursive Start Share with your friends: