noun
1. : a hole bored beneath a boulder and immediately against the bottom of it for blasting
2. : any of various drill holes in quarrying or bench blasting
noun
1. : a hole bored beneath a boulder and immediately against the bottom of it for blasting
2. : any of various drill holes in quarrying or bench blasting
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012