n. 1. A gathering for the buying and selling of goods, often held at a particular time and place; a market: We attended the annual book fair.
2. An exhibition of home or farm products and skills, usually with competitions and entertainments: My pumpkin won first prize at the county fair.
3. An exhibition intended to inform people about a product or business opportunity: a computer fair; a job fair.
4. An event, usually for the benefit of a charity or public institution, including entertainment and the sale of goods; a bazaar: a church fair.