v. t. [ imp. & p. p. Hallowed p. pr. & vb. n. Hallowing. ] [ OE. halowen, halwien, halgien, AS. hālgian, fr. hālig holy. See Holy. ] To make holy; to set apart for holy or religious use; to consecrate; to treat or keep as sacred; to reverence. “Hallowed be thy name.” Matt. vi. 9. [ 1913 Webster ]

Hallow the Sabbath day, to do no work therein. Jer. xvii. 24. [ 1913 Webster ]

His secret altar touched with hallowed fire. Milton. [ 1913 Webster ]

In a larger sense . . . we can not hallow this ground [ Gettysburg ]. A. Lincoln. [ 1913 Webster ]

adj. belonging to or derived from or associated with a divine power; made holy. Opposite of unholy. [ Narrower terms: beatified, blessed ; blessed ; consecrated, sacred, sanctified ] Also See: consecrated, consecrate, sacred.
Syn. -- holy. [ WordNet 1.5 ]

n. The evening preceding Allhallows or All Saints' Day (November 1); also the entire day, October 31. It is often marked by parties or celebrations, and sometimes by pranks played by young people. [ Scot. ] Burns.
Syn. -- Hallowe'en, Allhallows Eve. [ 1913 Webster + WordNet 1.5 ]

n. [ See Mass the eucharist. ] The feast of All Saints, or Allhallows. [ 1913 Webster ]

To speak puling, like a beggar at Hallowmas. Shak. [ 1913 Webster ]