We found one dictionary that defines the word tree trunking:

Slang (1 matching dictionary)

1. Tree Trunking: Urban Dictionary

(Note: See tree_trunk as well.)

Definitions from Wiktionary (tree trunk) ▸ noun:  (botany) The main structural member of a tree. ▸ Also see tree_trunk ▸ Words similar to tree trunking ▸ Usage examples for tree trunking ▸ Idioms related to tree trunking ▸ Wikipedia articles (New!) ▸ Words that often appear near tree trunking ▸ Rhymes of tree trunking ▸ Invented words related to tree trunking