\ BROL-ee \, noun;
1.
British Informal . an umbrella.
Quotes:
There are several ways for a large-bodied young man with a blue-and-white bookmaker's brolly to get out of a small car in pelting rain.
-- John Le Carré, "The Tailor of Panama , "1996
I would get up from my chair, put on my raincoat and my straw hat, take my umbrella--my brolly --and set off on this long and lonely trek.
-- Roald Dahl, "Galloping Foxley," Someone Like You , 1953
Origin:
Brolly is an alteration of the word umbrella . It entered English in the late 1800s and picked up the additional sense "a parachute" in the early 1900s.
Dictionary.com
