DictionaryAI

tree

TREE/tɹiː/

Pluraltrees

14 meanings of tree

Practice

  1. 1
    woody plantnouncountable
    A tall plant with a trunk, and branches or leaves high above the ground, such as an oak, palm or banana.

    We planted a small tree in the backyard last spring.

    The storm knocked down several old trees along the road.

    UsageA cat is in a tree; apples grow on a tree.

    Note
  2. 2
    branching chartnouncountable
    A drawing or list that branches out to show how things are linked, grouped, or chosen.

    Like a map of choices that keeps splitting into smaller paths.

    We drew a tree to map out every choice we could make.

    The game showed a tree of moves leading to a win or a loss.

    UsageOften in family tree.

    Note
  3. 3
    data structurenouncountable
    In maths and computing, a set of linked points that branch out like a tree, with no loops.

    Like a family chart, where each name branches down to its own children.

    The app stores its menu as a tree, with each item holding smaller items.

    The folders on your computer form a tree, with folders inside folders.

    Note

Practice

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Origin

It comes from Old English "trēow" (tree, wood, timber), from older Germanic words meaning tree or wood, going all the way back to a Proto-Indo-European word *dóru meaning "tree".

Checked 1 Nov 2026 · 4 facts