Meaning of BOREHOLE in English

BOREHOLE

bore ‧ hole /ˈbɔːhəʊl $ ˈbɔːrhoʊl/ BrE AmE noun [countable]

a deep hole made using special equipment, especially in order to get water or oil out of the ground

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.