Answer: colonnades

AnswerCrossword Clue
COLONNADESDriveway shaders
COLONNADESThey may hold up mansions
colonnadesA row of columns supporting a roof, an entablature, or arcade
colonnadesA row of trees or other tall objects
colonnadesCOLONNADE, a row of evenly spaced column or trees