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Definition 2025

treant ‎(plural treants)

(fantasy role-playing games) A fictional organism having many characteristics of a tree, but with human-like mobility and facial features.
- 1977 — Gary Gygax, Monster Manual, page 96
  Treants are strangely related to humans and trees, combining features of both species. ...an individual treant can cause only one or two normal trees to move and attack as stipulated.