aspen
n. countable B2 Upper Intermediate US //ˈæspən// UK //ˈæspən// as·pen
n. a tall tree with white bark and triangular leaves that turn yellow in autumn.
n. a deciduous tree of the genus Populus, characterised by smooth white bark and triangular leaves.
The aspen trees turned gold in October.
We walked through the forest where the aspen leaves rustled in the wind.
The trembling aspen stands out in the landscape with its pale bark and fluttering leaves.