Bedeutung von “exchange” im Essential American English Dictionary

exchange

noun us /ɪksˈtʃeɪndʒ/

B1 an occasion when you give something to someone and he or she gives you something else:

an exchange of ideas
They were given food and shelter in exchange for work.

B1 a period when students and teachers from one country go to stay with students and teachers in another:

I have happy memories of going on an exchange to France.

(Definition von “exchange noun” aus dem Webster's Essential Mini Dictionary © Cambridge University Press)