ho /ˈho/
  Ho pron. Who. [Obs.]
  Note: In some Chaucer MSS.
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  Ho, Hoa  n.  A stop; a halt; a moderation of pace.
     There is no ho with them.   --Decker.
  Ho, Hoa  interj.
  1. Halloo! attend! -- a call to excite attention, or to give notice of approach. “What noise there, ho?”    “Ho! who's within?”  --Shak.
  2.  Stop! stand still! hold! -- a word now used by teamsters, but formerly to order the cessation of anything. [Written also whoa, and, formerly, hoo.]
     The duke . . . pulled out his sword and cried =\“Hoo!”\=   --Chaucer.
     An herald on a scaffold made an hoo.   --Chaucer.
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  Ho
       n : a trivalent metallic element of the rare earth group; occurs
           together with yttrium; forms highly magnetic compounds
           [syn: holmium, atomic number 67]