Definition of 自然木 (しぜんぼく)
しぜんぼく
                        自然木
しぜんぼく
shizenboku
noun
•
        
naturally growing tree, tree that does not grow in a tree plantation
Related Kanji
| 自 | oneself | 
| 然 | sort of thing, so, if so, in that case, well | 
| 木 | tree, wood |