1. 
   crossjack
   [n] - the lowermost sail on a mizzenmast
   Found op http://www.webdictionary.co.uk/definition.php?query=crossjack
   
   
2. 
   Crossjack
   Cross'jack` noun (Nautical) The lowest square sail, or the lower yard of the mizzenmast.
   Found op http://www.encyclo.co.uk/webster/C/192
   
   
3. 
   crossjack
   mizzen course noun the lowermost sail on a mizzenmast
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=crossjack
   
   
4. 
   Crossjack
   • (n.) The lowest square sail, or the lower yard of the mizzenmast.
   Found op http://thinkexist.com/dictionary/meaning/crossjack/
   
   
5. 
   crossjack
   1) Canvas 2) Canvass 3) Mizzen course 4) Sail 5) Sheet 6) The lowermost sail on a mizzenmast
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/crossjack/1
   
   

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