The brightly colored leaves of deciduous trees that appear in the autumn.

plural of autumn leaf

An Asian nymphalid butterfly, Doleschallia bisaltide.

One of many leaves that fall from a deciduous tree in autumn.

plural of autumn leaf

plural of Mid-Autumn Festival

A harvest festival celebrated by ethnic Chinese and Vietnamese people, held on the 15th day of the eighth month of the Chinese lunisolar calendar (between early September and early October).

(astronomy, informal) The star Fomalhaut.