Bedeutung von “rush” — Learner’s Dictionary

rush

noun [ no plural ] us uk /rʌʃ/
There was a rush of hot air from the nozzle of the jet.She felt a rush of cold water flowing past her feet.There was a rush of hot gas into the turbine.He blamed his actions on a sudden rush of blood to the head.There was a sudden rush of cold air into the room.
MOVEMENT

a sudden fast movement of something:

a rush of air
She felt a sudden rush of blood to her face.
ACTIVITY

a lot of things happening or a lot of people trying to do something:

[ + to do sth ] There was a mad rush to get tickets for the concert.
HURRY

B2 a situation in which you have to hurry or move somewhere quickly:

I'm sorry I can't talk now, I'm in a rush.

(Definition von “rush noun” aus dem Cambridge Learner's Dictionary © Cambridge University Press)