In botany, a tree is a perennial plant with an elongated stem, or trunk, supporting leaves or branches.

The above text is a snippet from Wikipedia: Tree
and as such is available under the Creative Commons Attribution/Share-Alike License.



(plural "treen" is obsolete)
  1. A large plant, not exactly defined, but typically over four meters in height, a single trunk which grows in girth with age and branches (which also grow in circumference with age).
    is the tallest living tree in the world.
    Birds have a nest in a tree in the garden.
  2. Any plant that is reminiscent of the above but not classified as a tree in the strict botanical sense: for example the banana "tree".
  3. An object made from a tree trunk and having multiple hooks or storage platforms.
    He had the choice of buying a scratching post or a cat tree.
  4. A device used to hold or stretch a shoe open.
    He put a shoe tree in each of his shoes.
  5. The structural frame of a saddle.
  6. A connected graph with no cycles or, equivalently, a connected graph with n vertices and n-1 edges.
  7. A recursive data structure in which each node has zero or more nodes as children.
  8. A display or listing of entries or elements such that there are primary and secondary entries shown, usually linked by drawn lines or by indenting to the right.
    We’ll show it as a tree list.
  9. Any structure or construct having branches akin to (1).
  10. The structure or wooden frame used in the construction of a saddle used in horse riding.
  11. Marijuana.
  12. A cross or gallows.
    Tyburn tree
  13. wood; timber
  14. A mass of crystals, aggregated in arborescent forms, obtained by precipitation of a metal from solution.


  1. To chase (an animal or person) up a tree.
    The dog treed the cat.
  2. To place upon a tree; to fit with a tree; to stretch upon a tree.
    to tree a boot

The above text is a snippet from Wiktionary: tree
and as such is available under the Creative Commons Attribution/Share-Alike License.

Need help with a clue?
Try your search in the crossword dictionary!