Source : Webster's Revised Unabridged Dictionary (1913)

Hallow \Hal"low\, v. t. [imp. & p. p. {Hallowed}; p. pr. & vb.
   n. {Hallowing}.] [OE. halowen, halwien, halgien, AS.
   h[=a]lgian, fr. h[=a]lig 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.

         Hallow the Sabbath day, to do no work therein. --Jer.
                                                  xvii. 24.

         His secret altar touched with hallowed fire. --Milton.

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

Source : WordNet®

hallow
     v : render holy by means of religious rites [syn: {consecrate},
         {bless}, {sanctify}] [ant: {desecrate}]