Definition

Noun: - The main structural stem of a tree, extending from the roots to the branches, typically covered in bark. It is the central, woody column that supports the tree and transports water and nutrients.

Usage

The term "tree trunk" refers specifically to the primary, upright part of a tree. - The squirrel ran up the rough tree trunk to reach its nest. - After the storm, a large tree trunk was blocking the road. - The tree trunk was so wide that three people could not link arms around it.

Advanced Usage

• In botany/forestry: The trunk is scientifically referred to as the bole, especially when discussing its commercial value for timber.
  • The forester measured the bole to estimate the lumber yield.

Variants and Related Words

• Trunk (noun): A shorter, common form meaning the same as "tree trunk." Also used for the main stem of other plants, the torso of a human body, or a large storage box.
  • The elephant used its trunk to lift the log. (Here, "trunk" refers to the elephant's nose, a different meaning).
• Bole (noun): The technical term for the trunk of a tree, particularly the section below the branches that is suitable for timber.
• Stem (noun): A more general term for the main structural axis of a plant, which can refer to the trunk of a tree or the stalk of a smaller plant.

Synonyms

• Bole
• Stem (in the context of a tree)

Related Phrases

• Trunk line: A main line in a railroad, telephone, or other network (metaphorically derived from the central role of a tree trunk).
• Trunk road: A main road, especially one that is part of a national network.

Noun

1. the main stem of a tree; usually covered with bark; the bole is usually the part that is commercially useful for lumber