raftsman

from WordNet (r) 3.0 (2006)
raftsman
    n 1: someone who travels by raft [syn: {raftsman}, {raftman},
         {rafter}]
    
from The Collaborative International Dictionary of English v.0.48
Raftsman \Rafts"man\ (r[.a]fts"man), n.; pl. {Raftsmen}
   (r[.a]fts"men).
   A man engaged in rafting.
   [1913 Webster]
    

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