Definition of treant in English English dictionary
A fictional organism having many characteristics of a tree, but with human-like mobility and facial features
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.
Treants are sentient trees with human characteristics. They are typically portrayed as protectors of the forests and antagonists to industrialization and despoiling of nature. They are typically allies of druids and fey, opposing malicious races such as orcs