tree (EN)

noun

noun “tree”

1. a large plant with a single main wooden trunk growing from the ground, typically having branches and leaves at some height above the ground
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   The oak tree in our backyard provides ample shade during the summer months.
2. any plant resembling a tree in form and size, but not technically classified as a tree
   Despite its name, the Joshua tree is actually a type of yucca.
3. a diagram or model that branches out to show various outcomes or relationships
   In the decision tree, each node represented a choice between investing in stocks or bonds.
4. a tool used to maintain the shape of a shoe by stretching it
   After polishing his leather boots, Martin inserted shoe trees to maintain their shape.
5. in graph theory, a structure consisting of points connected in such a way that there are no closed loops, and if finite, it has one less edge than vertices
   In our graph theory class, we learned that a tree is a type of graph where any two vertices are connected by exactly one path.