(ˈ)ȯ|təmnəl sometimes ˈȯ]d.əm- or ˈä] or ]tə-\ adjective
Etymology: Latin autumnalis, from autumnus + -alis -al
1. : of, belonging to, or peculiar to autumn
mild, autumnal sunshine — Nathaniel Hawthorne
2. : produced or gathered in autumn : maturing in autumn
autumnal fruits
3. : characterized by qualities associated with or suggested by autumn
a serene autumnal mood
• au·tum·nal·ly adverb