ALLHALLOWS Meaning of ALLHALLOWS in English ˌAll ˈHallows' Day BrE AmE ( also All‧hal‧lows /ɔːlˈhæləʊz/), All‧hal‧low‧mas /ɔːlˈhæləʊməs/ noun [S] old use another name for All Saints' Day, November 1st Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012