expression, godan verb (-gu)
fill a hole with earth; plug a hole
Literal expression for filling a hole, typically with earth or soil. Can also be used figuratively for filling a gap or deficiency.
庭の穴を塞ぐために土を買ってきた。
I bought soil to fill the hole in the garden.
予算の穴を塞ぐ方法を考
We have to think of a way to plug the budget shortfall.