noun, noun or participle which takes 'suru'
digging a hole; excavation
Refers to the act of digging a hole, often in a casual or practical context. Can be used as a noun or with する to mean 'to dig a hole'.
庭で穴掘りをして花を植えた。
I dug a hole in the garden and planted flowers.
子供たちは砂場で穴掘
The children are enjoying digging holes in the sandbox.