HALLOW Meaning of HALLOW in English v. & n. --v.tr. 1. make holy, consecrate. 2 honour as holy. --n. archaic a saint or holy person. Phrases and idioms: All Hallows All Saints' Day, 1. Nov. Etymology: OE halgian, halga f. Gmc Oxford English vocab. Оксфордский английский словарь. 2012