HILLOCK Meaning of HILLOCK in English hill ‧ ock /ˈhɪlək/ BrE AmE noun [countable] especially British English [ Date: 1300-1400 ; Origin: hill + -ock 'small' (from Old English -oc ) ] a little hill Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012