noun

autumn

AW-tuhm/ˈɔːtəm/

The season between summer and winter.

Leaves turn gold and fall in autumn.

A deciduous tree with a thinning crown of gold, orange, and russet leaves, several leaves falling toward a leaf-covered patch of ground, visibly depicting autumn.

Etymology

Latin autumnus already named this season, but its deeper origin is unknown. In English, autumn displaced harvest as a season name while harvest became focused on gathering crops.

In context

Our World27:30

the caribou spend the final weeks of summer feeding and putting on weight for winter the bulls are now in their full glory so is the red and gold autumn tundra

A Perilous Trek Across Canada During The Great Caribou Migration | Our World

More examples

We plan to visit again in autumn.
A cool autumn breeze blew through the orchard.
The town hosts a festival every autumn.

Forms

autumn · autumns

autumnal adjective — relating to autumn

Similar words

fall: The more common everyday American name for the season.