Leaf/liːf/ Definition 1 of 4Pro Tip 1/3Seasonal Imagery The word often evokes the change of seasons, especially autumn when leaves fall. The park was covered with a carpet of colorful autumn leaves. Pro Tip 2/3Symbol of Growth Represents vitality and growth in metaphors relating to personal development or businesses. Their startup company is finally sprouting new leaves. Pro Tip 3/3Nature Descriptions Use 'leaf' to add detail when describing environments or settings in nature. Sunlight filtered through the leaves, creating patterns on the ground.