What is difference between HouseBoat and DreamBoat?

Houseboat-

A houseboat or (boathouse) is a boat that has been designed or modified to be used primarily as a home. Some houseboats are not motorized, because they are usually moored, kept stationary at a fixed point and often tethered to land to provide utilities. However, many are capable of operation under their own power. Float house is a Canadian and U.S. term for a house on a float (raft), a rough house may be called a shanty boat.

http://en.wikipedia.org/wiki/Houseboat

dreamboat-

A strikingly attractive person, usually a male. Possibly from the 1936 hit song: When My Dream Boat Comes Home , in which a girl who transports a man to the land of joy.

http://www.urbandictionary.com/define.php?term=dre...