an arbor, esp. one with an open roof of cross rafters or latticework supported on posts or columns, usually with climbing vines
Origin of pergolaIt, arbor from Classical Latin pergula, arbor, projecting cover from uncertain or unknown; perhaps an unverified form perga, beams, framework from Indo-European an unverified form perg-, beam, rod from source Old Norse forkr, pole
An arbor or a passageway of columns supporting a roof of trelliswork on which climbing plants are trained to grow.
Origin of pergolaItalian from Latin pergula