Merriam-Webster Collegiate Dictionary - lasagna

 noun  Etymology: Italian ~, from Vulgar Latin *lasania cooking pot, its contents, from Latin lasanum chamber pot, from Greek lasanon  Date: 1846  1. (also lasagne) pasta in the form of broad often ruffled ribbons  2. a baked dish containing layers of boiled ~, and usually cheese, a seasoned sauce of tomatoes, and meat or vegetables