A2 a device for protection against the rain, consisting of a stick with a folding frame covered in material at one end and usually a handle at the other, or a similar, often larger, device used for protection against the sun伞；雨伞；阳伞
Damn! I've left my umbrella in the office.
"You've got my umbrella!" he ejaculated.
She absent-mindedly left her umbrella on the bus.
I'll have to go back for my umbrella.
The umbrella was ingeniously devised to fold up into your pocket.
something that includes or represents a group or range of similar things综合体；总体