The Collaborative International Dictionary of English v.0.48:

Dress \Dress\, v. i.
   1. (Mil.) To arrange one's self in due position in a line of
      soldiers; -- the word of command to form alignment in
      ranks; as, Dress right, dress!
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   2. To clothe or apparel one's self; to put on one's garments;
      to pay particular regard to dress; as, to dress quickly.
      "To dress for a ball." --Latham.
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            To flaunt, to dress, to dance, to thrum. --Tennyson
      .
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   To dress to the right, To dress to the left, To dress on
   the center (Mil.), to form alignment with reference to the
      soldier on the extreme right, or in the center, of the
      rank, who serves as a guide.
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