autumn

1 ENTRIES FOUND:
autumn /ˈɑːtəm/ noun
plural autumns
autumn
/ˈɑːtəm/
noun
plural autumns
Britannica Dictionary definition of AUTUMN
1 
: the season between summer and winter
[count]
[noncount]
— often used before another noun
— called also (US) fall
2 
[count] : the later part of someone's life or of something's existence