tunnage

from WordNet (r) 3.0 (2006)

tunnage
    n 1: a tax imposed on ships that enter the US; based on the
         tonnage of the ship [syn: {tonnage}, {tunnage}, {tonnage
         duty}]

from The Collaborative International Dictionary of English v.0.48

Tunnage \Tun"nage\ (t[u^]n"n[asl]j; 48), n. [From {Tun}; cf.
   {Tonnage}.]
   See {Tonnage}.
   [1913 Webster]

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