1. 
   main(a)
   [adj] - of force
   Found op http://www.webdictionary.co.uk/definition.php?query=main(a)
   
   
2. 
   main(a)
   adjective of force; of the greatest possible intensity; `by main strength`
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=main(a)
   
   
3. 
   main(a)
   primary(a) adjective most important element; `the chief aim of living`; `the main doors were of solid glass`; `the principal rivers of America`; `the principal example`; `policemen were primary targets...
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=main(a)
   
   

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