flagship

from WordNet (r) 3.0 (2006)

flagship
    n 1: the chief one of a related group; "it is their flagship
         newspaper"
    2: the ship that carries the commander of a fleet and flies his
       flag

from The Collaborative International Dictionary of English v.0.48

Flagship \Flag"ship`\, n. (Naut.)
   The vessel which carries the commanding officer of a fleet or
   squadron and flies his distinctive flag or pennant.
   [1913 Webster]

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