General Definition: 1. A large spherically shaped object, or any thing or any action directly or indirectly associated with this, such as a lettuce, cabbage, ball, globe and so on. As a Noun: 1. A plant which looks like a ball of green leaves which is usually eaten in salads. English = lettuce. 2. A vegetable which looks like a ball of green, pale green and white leaves which is often chopped up finely or shredded before it is cooked and eaten. English = cabbage.