BOREHOLE Meaning of BOREHOLE in English 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. 2012