Stump″age (?), n. 1. Timber in standing trees, — often sold without the land at a fixed price per tree or per stump, the stumps being counted when the land is cleared.
Only trees above a certain size are allowed to be cut by loggers buying stumpage from the owners of land. C. S. Sargent.
2. A tax on the amount of timber cut, regulated by the price of lumber. The Nation.