old line state

from WordNet (r) 3.0 (2006)
Old Line State
    n 1: a Mid-Atlantic state; one of the original 13 colonies [syn:
         {Maryland}, {Old Line State}, {Free State}, {MD}]
    
from The Collaborative International Dictionary of English v.0.48
Old Line State \Old Line State\ n.
   Maryland; a nickname, alluding to the fact that its northern
   boundary is Mason and Dixon's line.
   [Webster 1913 Suppl.]
    

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