A pergola is an outdoor structure consisting of columns supporting a roof grid of beams and rafters. This roof grid can be left open or covered to create an area sheltered from the elements. Pergolas can be free-standing or attached to a house.
To better understand the definition of ‘pergola’, it is helpful to compare and contrast it with other outdoor structures with which it is sometimes associated. Like arbours, gazebos, trellises, latticework, carports or more.