The Collaborative International Dictionary of English v.0.48:

Crisscross \Criss"cross`\ (kr?s"kr?s`; 115), n. [A corruption of
   Christcross.]
   1. A mark or cross, as the signature of a person who is
      unable to write.
      [1913 Webster]

   2. A child's game played on paper or on a slate, consisting
      of lines arranged in the form of a cross.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Crisscross \Criss"cross`\, v. t.
   To mark or cover with cross lines; as, a paper was
   crisscrossed with red marks.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Crisscross \Criss"cross`\ (kr?s"kr?s`;115), adv.
   1. In opposite directions; in a way to cross something else;
      crossing one another at various angles and in various
      ways.
      [1913 Webster]

            Logs and tree luing crisscross in utter confusion.
                                                  --W. E.
                                                  Boardman.
      [1913 Webster]

   2. With opposition or hindrance; at cross purposes;
      contrarily; as, things go crisscross.
      [1913 Webster]

WordNet (r) 3.0 (2006):

crisscross
    adv 1: crossing one another in opposite directions
    adj 1: marked with crossing lines [syn: crisscross,
           crisscrossed]
    n 1: a marking that consists of lines that cross each other
         [syn: crisscross, cross, mark]
    v 1: cross in a pattern, often random
    2: mark with or consist of a pattern of crossed lines; "wrinkles
       crisscrossed her face"
    3: mark with a pattern of crossing lines; "crisscross the sheet
       of paper"