autumnnoun [ C or U ]uk /ˈɔː.təm/ us /ˈɑː.t̬əm/ US usually fall
A2 the season of the year between summer and winter, lasting from September to November north of the equator and from March to May south of the equator, when fruits and crops become ready to eat and are picked, and leaves fall:
Last autumn we went to Germany.
It's been a very mild autumn.
- In the autumn I rake up the dead leaves.
- Cutting the bush back in the autumn will help promote vigorous growth in the spring.
- By the look of things, we won't be able to take our holiday till the autumn.
- Our autumn catalogue is now available from our usual stockists.
- It was early autumn and the leaves were turning yellow.