also: ぞうき · ぞうぼく
noun
assorted small trees; various kinds of trees
Refers to a mixture of different, often small or non-valuable, trees, typically in a natural or unmanaged setting.
裏山には雑木が生い茂っている。
The hill behind is thick with assorted trees.
この公園には雑木が多く、散策
This park has many kinds of trees, making it good for a stroll.