1. A casual or informal meal prepared to be eaten and served outdoors: At the end of the school year, the students planned a picnic with lots of cheese and meat sandwiches in the city park.
2. Etymology: from French piquenique, "a social gathering in which each participant contributes a share of the provisions."

To go outside to enjoy a repast or an arrangement of food: When asked what she wanted to do for lunch, Sharon shouted, "I want to picnic!"