tree
n. countablen. a tall plant with a thick wooden trunk and many branches and leaves. Most trees live for a very long time. In computing, a tree is a way of organizing information into different levels that look like branches.
n. a perennial woody plant typically having a single self-supporting stem or trunk and numerous secondary branches. In mathematics and computing, it refers to a branching data structure or graph with no cycles. In computing and data structures, a tree is a hierarchical model where data elements are connected like branches starting from a single root node.
The children are playing under the big oak tree.
We decided to plant a fruit tree in the backyard to provide some natural shade during the summer.
The ancient redwood tree stood as a silent witness to centuries of environmental change, its massive trunk supporting a complex ecosystem within its upper canopy.
Commonly used with the preposition 'in' (birds in a tree) rather than 'on' when referring to things within the branches.
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bark up the wrong tree
To take the wrong approach to a situation; to follow a false lead; to attempt to solve a problem using mistaken assumptions about its true nature.
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Christmas tree bill
A bill consisting of many riders that attracts many, often unrelated, floor amendments, which may provide special benefits to various groups or interests.
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dead tree edition
The physical, printed version of a publication.