cst

from WordNet (r) 3.0 (2006)
CST
    n 1: standard time in the 6th time zone west of Greenwich,
         reckoned at the 90th meridian; used in the central United
         States [syn: {Central Time}, {Central Standard Time},
         {CST}]
    
from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)
CST
       Central Standard Time [-0600] (TZ, CDT, USA)
       
    

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