snake hole

snake hole

[′snāk ‚hōl]
(engineering)
A blasting hole bored directly under a boulder.
A drill hole used in quarrying or bench blasting.
References in periodicals archive ?
Before the other birds could catch him, the little bird quickly flew into a deserted snake hole and stayed hidden.
Sinkholes 6 also known as a snake hole or swallow hole 6 have been known to reach between one meter and 2,000 feet in diameter, as well as depth.
An insider said: "There's a snake hole a few metres away from the jail.
The youngster was out walking the hills near Azure Hills Drive on Friday with a friend when he found a snake hole.
I would imagine shoving fiberglass down your snake holes would stop them from coming up, as would the metal panels on the floor.