TIBIA Meaning of TIBIA in English tib ‧ i ‧ a /ˈtɪbiə/ BrE AmE noun ( plural tibiae /-bi-iː/ or tibias ) [countable] technical [ Date: 1600-1700 ; Language: Latin ] a bone in the front of your leg Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012