per·go·la 
(pûrgə-lə)
(pûrgə-lə)n.
An arbor or a passageway of columns supporting a roof of trelliswork on which climbing plants are trained to grow.
[Italian, from Latin pergula.]
pergola- composite volcano
- composition
- compositional
- compositionally
- compositionist
- compositive
- compositor
- compositorial
- compos mentis
- compost
- composting toilet
- composure
- compote
- compound
- sweatiness
- sweat lodge
- sweat of brow
- sweat of (one's) brow
- sweat of one's brow
- sweat out
- sweatpants
- sweatshirt
- sweatshop
- sweatsuit
- sweat suit