1) An umbrella 2) British slang for an umbrella 3) Festival in Seattle 1) Brolly 
Bumbershoot is an annual international music and arts festival held in Seattle, Washington. One of North America`s largest such festivals, it takes place every Labor Day weekend at the 74-acre (299,000 m²) Seattle Center, which was built for the 1962 World`s Fair. Seattle Center includes both indoor theaters and outdoor stages. The name of the .....
Bumbershoot is British slang for an umbrella.
an umbrella.