1.
[syn: arbor, arbour, bower, pergola]
The Collaborative International Dictionary of English v.0.48:
Pergola \Per"go*la\, n. [It., fr. L. pergula shed, shop, vine
arbor.]
Lit., an arbor or bower; specif.: (Italian art) An arbor or
trellis treated architecturally, as with stone columns or
similar massive structure.
[Webster 1913 Suppl.]
WordNet (r) 3.0 (2006):
pergola
n 1: a framework that supports climbing plants; "the arbor
provided a shady resting place in the park" [syn: arbor,
arbour, bower, pergola]