Noun
a party of people assembled for social interaction out of doors
Source: WordNetThe company’s upstate stay always ends with a lawn party and a lavish gala, both of which this year will celebrate the centennials of composer Leonard Bernstein and choreographer Jerome Robbins. Source: Internet
The 100 West 16th St. Block Association’s shindig has 1920s lawn party elements, plus the modern marvel of electronics recycling. Source: Internet