GNU Collaborative International Dictionary of English

Found one definition

1.       
   Hallow , 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