ferryboat

from WordNet (r) 3.0 (2006)

ferryboat
    n 1: a boat that transports people or vehicles across a body of
         water and operates on a regular schedule [syn: {ferry},
         {ferryboat}]

from The Collaborative International Dictionary of English v.0.48

Ferryboat \Fer"ry*boat`\, n.
   A vessel for conveying passengers, merchandise, etc., usually
   across streams, rivers, bays, and other narrow waters.

   Syn: ferry[2].
        [1913 Webster]