- the uppermost layer of foliage in a forest, forming the canopy.
Origin of overstory
Examples from the Web for overstory
Historical Examples of overstory
The dominant and codominant plants in the overstory (trees or shrubs) were noted at each station.
Artemisia tridentata and Artemisia nova form the overstory in unit F and part of G.
The trapping areas in the first three mentioned had heavy growths of grass and an overstory of shrubs.