ˈoʊvər.stɔrɪ

Definitions

1. noun

The upper layer of vegetation in a forest, especially the canopy or the trees above a certain level or a certain age.

“The overstory in the forest was dense and made it difficult to navigate.”

2. noun

The upper part of a story or narrative, including the plot and main events.

“The overstory of the novel was engaging and kept me hooked until the end.”