Webster's English Dictionary

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combination

com.bi.na.tion \.ka:m-b*-'na--sh*n\ \-'na--shn*l, -sh*n-*l\ n often attrib  
   1a: a result or product of combining; esp : an alliance of individu als, 
   corporations, or states united to achieve a social, political, or economic 
   end 1b: two or more persons working as a team  2: an ordered sequence : as  
   2a: a sequence of letters or numbers chosen in setting a lock; also :: the 
   mechanism operating or moved by the sequence 2b: any of the different sets 
   into which a number of individuals (as letter s) may be grouped without 
   regard to order within the group 3: any of various one-piece undergarments 
   for the upper and lower parts of  the body 4: an instrument designed to 
   perform two or more tasks  5a: the act or process of combining; esp : that 
   of uniting to form  a chemical compound 5b: the quality or state of being 
   combined  - com.bi.na.tion.al aj