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.