A "picnic dinner" refers to a meal that is eaten outdoors, usually in a casual setting like a park or beach, instead of at a regular dining table. It typically involves packing and bringing food from home to enjoy during the picnic. Full definition
Later (weather permitting) we stop for a local picnic dinner on the shore. (greatrail.com)
Fresh veggies with dip, juicy fruit and even a sweet treat make up this easy - to - make picnic dinner that's great for packing up or enjoying at home. (eatingwell.com)
• Dinner and a Show Under the Stars - Chastain Park Amphitheater is the perfect spot for a romantic picnic dinner with sweet champagne and fresh, juicy strawberries for dessert. (eharmony.com)