Autumn

aw′tum, n. the third season of the year when fruits are gathered in, popularly comprising the months of August, September, and October—in North America, September, October, and November. Astronomically, in the northern hemisphere, it begins at the autumnal equinox, when the sun enters Libra, 22d September, and ends at the winter solstice, when the sun enters Capricorn, 21st December.— adj. Autum′nal .— adv. Autum′nally . [L. autumn us , auctumnus , anciently referred to aug-ēre, as the season of increase; by Cor en and others, to the Sans. av , to do good to.]