Allhallows all·hal·lows uncommon noun 1. a Christian feast day honoring all the saints; first observed in 835 SynonymsAll Saints' DayNovember 1HallowmasHallowmass Related words Word family Allhallows Eve Broader terms holy day of obligation Parts November WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
