TALLOW Meaning of TALLOW in English tal ‧ low /ˈtæləʊ $ -loʊ/ BrE AmE noun [uncountable] [ Date: 1200-1300 ; Language: Middle Low German ; Origin: talg ] hard animal fat used to make ↑ candle s Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012