The part of something such as a tree, tooth, arm, or leg that is left after most of it has been removed. (Cambridge Dictionary)
The basal portion of a bodily part remaining after the rest is removed. (Merriam – Webster)
A stump is a small part of something that remains when the rest of it has been removed or broken off. (Collins Dictionary)
Why is it So Important to Remove a Tree Stump in Your Yard?